Inventor · disambiguated record
Erwin Cheldin
Also filed as: CHELDIN ERWIN
15 granted patents·2 pending applications·230 citations·filing 1993–2008
94Inventor score
Top patents by PatentIndex Score
17 records- 0180USD438440SStaple remover and letter openerFiled 2000·Granted Mar 6, 2001·26 cites·1 claims
- 0278US7114730B2Golf bag with detachable wheel assemblyERKIE INC·Filed 2003·Granted Oct 3, 2006·29 cites·12 claims
- 0368USD585262SLetter opener and staple removerERKIE INC·Filed 2008·Granted Jan 27, 2009·16 cites·1 claims
- 0468USD512625SLetter opener and staple removerCHELDIN ERWIN·Filed 2004·Granted Dec 13, 2005·15 cites·1 claims
- 0568USD414998SDual function tool for staple removing and letter openingERKIE INC·Filed 1998·Granted Oct 12, 1999·15 cites·1 claims
- 0665US6231059B1Golf bag pull cart having integral extendable rollers and handleFiled 1999·Granted May 15, 2001·34 cites·13 claims
- 0764US6163910AMulti-function tool combining a writing implement with a letter opener and a staple pullerFiled 1999·Granted Dec 26, 2000·23 cites·19 claims
- 0857US6065169ACombination letter opener and writing instrumentFiled 1999·Granted May 23, 2000·18 cites·5 claims
- 0957US2006081672A1Bag having a self-positioning strapCHELDIN ERWIN·Filed 2004·Application pending·0 cites
- 1052USD591136SPush style staple remover with letter opener, screen cleaner and retractable pen with clipCHELDIN ERWIN·Filed 2008·Granted Apr 28, 2009·8 cites·1 claims
- 1152US5354033ADouble-jawed staple removerCHELDIN ERWIN·Filed 1993·Granted Oct 11, 1994·15 cites·9 claims
- 1249USD594729SPush style staple remover with letter opener and screen cleanerCHELDIN ERWIN·Filed 2008·Granted Jun 23, 2009·7 cites·1 claims
- 1347US2010101028A1Multi-function tool including a letter opener and staple removerERKIE INC·Filed 2008·Application pending·0 cites
- 1441US5875503ACombination staple remover and letter openerERKIE INC·Filed 1997·Granted Mar 2, 1999·13 cites·11 claims
- 1540USD596010SStaple remover with pliers, letter opener and screen cleanerCHELDIN ERWIN·Filed 2008·Granted Jul 14, 2009·4 cites·1 claims
- 1632USD590688SCombined letter opener, screen cleaner and pen capCHELDIN ERWIN·Filed 2008·Granted Apr 21, 2009·1 cites·1 claims
- 1732US6145811AStaple remover having planar pressing surfaces and staple receiving locking notchesERKIE INC·Filed 1999·Granted Nov 14, 2000·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →