Inventor · disambiguated record
George W. Mehrer
Also filed as: MEHRER GEORGE W
19 granted patents·1,540 citations·filing 1990–2002
97Inventor score
Technology areasE04D
Top patents by PatentIndex Score
19 records- 0198US5426902AComposite shingle having shading zones in different planesCERTAIN TEED CORP·Filed 1991·Granted Jun 27, 1995·153 cites·6 claims
- 0297US5660014AComposite shingle having shading zones in different planesCERTAIN TEED CORP·Filed 1995·Granted Aug 26, 1997·127 cites·1 claims
- 0397US5421134ARoofing shingleCERTAIN TEED CORP·Filed 1993·Granted Jun 6, 1995·95 cites·1 claims
- 0497USD340294SDesign for a tab portion of a shingleCERTAIN TEED CORP·Filed 1990·Granted Oct 12, 1993·71 cites·1 claims
- 0597US5181361AMulti-layer shingleCERTAIN TEED CORP·Filed 1990·Granted Jan 26, 1993·158 cites·24 claims
- 0696US6523316B2Composite shingle having shading zones in different planesCERTAINTEED·Filed 2001·Granted Feb 25, 2003·98 cites·11 claims
- 0795USD376660SShingleCERTAIN TEED CORP·Filed 1995·Granted Dec 17, 1996·60 cites·1 claims
- 0895USD375563SShingleCERTAIN TEED CORP·Filed 1995·Granted Nov 12, 1996·60 cites·1 claims
- 0995US5209802AMethod of making a multi-layer shingleCERTAIN TEED CORP·Filed 1991·Granted May 11, 1993·130 cites·29 claims
- 1094US6715252B2Composite shingle having shading zones in different planesCERTAIN TEED CORP·Filed 2002·Granted Apr 6, 2004·57 cites·2 claims
- 1194US5901517AComposite shingle having shading zones in different planesCERTAIN TEED CORP·Filed 1997·Granted May 11, 1999·82 cites·11 claims
- 1294USD388195SShingleCERTAIN TEED CORP·Filed 1995·Granted Dec 23, 1997·53 cites·1 claims
- 1394US5287669ARoofing shingleCERTAIN TEED CORP·Filed 1991·Granted Feb 22, 1994·79 cites·12 claims
- 1493US5501056AProcess for roofing with an 18 inch shingleCERTAIN TEED CORP·Filed 1994·Granted Mar 26, 1996·74 cites·1 claims
- 1592USD336347STab portion of a shingleCERTAIN TEED CORP·Filed 1990·Granted Jun 8, 1993·50 cites·1 claims
- 1690US5375491ARoofing shingleCERTAIN TEED CORP·Filed 1993·Granted Dec 27, 1994·59 cites·4 claims
- 1789US6305138B1Composite shingle having shading zones in different planesCERTAIN TEED CORP·Filed 2000·Granted Oct 23, 2001·42 cites·18 claims
- 1885US5400558ARoofing shingle squareCERTAIN TEED CORP·Filed 1993·Granted Mar 28, 1995·48 cites·4 claims
- 1973US6195951B1Composite shingle having shading zones in different planesCERTAIN TEED CORP·Filed 1998·Granted Mar 6, 2001·44 cites·19 claims
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