Assignee
WALDORF CORP
US·42 granted patents·1,661 citations·filing 1983–1995
Top patents by PatentIndex Score
42 records- 0195US5123589AReusable rigid film packWALDORF CORP·Filed 1991·Granted Jun 23, 1992·151 cites·10 claims
- 0295US4584202AMicrowave popcorn packageWALDORF CORP·Filed 1984·Granted Apr 22, 1986·108 cites·5 claims
- 0391US4586649AFood packageWALDORF CORP·Filed 1984·Granted May 6, 1986·82 cites·3 claims
- 0486US5503328AMulti-use envelopeWALDORF CORP·Filed 1995·Granted Apr 2, 1996·106 cites·7 claims
- 0582US5562309APrint folder with pre-applied double stick tapeWALDORF CORP·Filed 1994·Granted Oct 8, 1996·42 cites·25 claims
- 0681US4621736ARecloseable cartonWALDORF CORP·Filed 1985·Granted Nov 11, 1986·59 cites·11 claims
- 0780US5095186AMethod for making selectively metallized microwave heating packagesWALDORF CORP·Filed 1987·Granted Mar 10, 1992·73 cites·18 claims
- 0880USD287464SCompartmented boxWALDORF CORP·Filed 1984·Granted Dec 30, 1986·16 cites·1 claims
- 0980USD284943SMicrowave cooking cartonWALDORF CORP·Filed 1984·Granted Aug 5, 1986·16 cites·1 claims
- 1079US5439101AConvertible envelopeWALDORF CORP·Filed 1993·Granted Aug 8, 1995·61 cites·26 claims
- 1179US5057282APipette unitizer and shipperWALDORF CORP·Filed 1990·Granted Oct 15, 1991·113 cites·20 claims
- 1279US4871111ATapered tray with pre-glued elevating legsWALDORF CORP·Filed 1988·Granted Oct 3, 1989·55 cites·16 claims
- 1378US4773542AFlip top sealed cartonWALDORF CORP·Filed 1987·Granted Sep 27, 1988·46 cites·14 claims
- 1475US4609142AReclosable dispenser carton and blank thereforWALDORF CORP·Filed 1985·Granted Sep 2, 1986·49 cites·11 claims
- 1574US4951868APre-glued tapered tray with gussets and flangesWALDORF CORP·Filed 1989·Granted Aug 28, 1990·45 cites·10 claims
- 1673US5056708ATwo-cell slide top dispenser with tamper evident topWALDORF CORP·Filed 1990·Granted Oct 15, 1991·48 cites·14 claims
- 1769US5407230APrint folderWALDORF CORP·Filed 1993·Granted Apr 18, 1995·29 cites·10 claims
- 1869US5014855AFlip top sealed carton with tear filamentWALDORF CORP·Filed 1989·Granted May 14, 1991·27 cites·26 claims
- 1968US5213255AOpening structure for wedge-shaped pie cartonWALDORF CORP·Filed 1992·Granted May 25, 1993·42 cites·33 claims
- 2065US4688677AFlip top dispenser box with non-linear perforationsWALDORF CORP·Filed 1983·Granted Aug 25, 1987·31 cites·1 claims
- 2164US5337951ASturdy sandwich cartonWALDORF CORP·Filed 1992·Granted Aug 16, 1994·34 cites·13 claims
- 2264US4607786ADouble insert lock carton and blank thereforWALDORF CORP·Filed 1985·Granted Aug 26, 1986·38 cites·15 claims
- 2361US5322215AFlip-top carton with reclosable lipWALDORF CORP·Filed 1993·Granted Jun 21, 1994·30 cites·11 claims
- 2461US5005701AStrengthening strut for rectangular containerWALDORF CORP·Filed 1990·Granted Apr 9, 1991·31 cites·14 claims
- 2561US4876427ALocking, double-layered microwave packageWALDORF CORP·Filed 1988·Granted Oct 24, 1989·20 cites·12 claims
- 2660US5060850ABag-like folding cartonWALDORF CORP·Filed 1990·Granted Oct 29, 1991·37 cites·10 claims
- 2759US5141108ACore retaining cartonWALDORF CORP·Filed 1990·Granted Aug 25, 1992·28 cites·16 claims
- 2857US5445316ASift proof and tamper evident pouring spoutWALDORF CORP·Filed 1994·Granted Aug 29, 1995·24 cites·33 claims
- 2957US4784708ABonding method of employing gluability enhancement compositionWALDORF CORP·Filed 1986·Granted Nov 15, 1988·26 cites·59 claims
- 3056US5472136ACarton with handle and deflection regionsWALDORF CORP·Filed 1995·Granted Dec 5, 1995·25 cites·24 claims
- 3155US4820893ATwo-celled expandable microwave cooking slingWALDORF CORP·Filed 1988·Granted Apr 11, 1989·24 cites·6 claims
- 3253US5215250ACarton with improved pouring spoutWALDORF CORP·Filed 1992·Granted Jun 1, 1993·23 cites·16 claims
- 3353US4631046ABake in tray and method of forming a blank for the sameWALDORF CORP·Filed 1985·Granted Dec 23, 1986·21 cites·2 claims
- 3450US5135158AThree-cell, reclosable product dispenserWALDORF CORP·Filed 1991·Granted Aug 4, 1992·22 cites·20 claims
- 3546US5333781ARecloseable carton with pouring spoutWALDORF CORP·Filed 1993·Granted Aug 2, 1994·15 cites·18 claims
- 3642US5307987AHooded cartonWALDORF CORP·Filed 1992·Granted May 3, 1994·13 cites·39 claims
- 3742US5263633ADisplay carton and blank thereforWALDORF CORP·Filed 1992·Granted Nov 23, 1993·13 cites·18 claims
- 3836US4643878AExtraction cellWALDORF CORP·Filed 1984·Granted Feb 17, 1987·9 cites·7 claims
- 3932US5184770ASlide top dispensing carton and blank thereforWALDORF CORP·Filed 1992·Granted Feb 9, 1993·6 cites·14 claims
- 4032US4712688ADouble breakapart carton with sealable ends and blank for forming the sameWALDORF CORP·Filed 1985·Granted Dec 15, 1987·6 cites·16 claims
- 4128US5287586AMaterial collecting/removal apparatusWALDORF CORP·Filed 1992·Granted Feb 22, 1994·9 cites·22 claims
- 4222US5205480ARecloseable carton with pouring spoutWALDORF CORP·Filed 1991·Granted Apr 27, 1993·8 cites·14 claims
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