Inventor · disambiguated record
Frederick W. Dour
Also filed as: DOUR FREDERICK W
9 granted patents·178 citations·filing 1994–2003
90Inventor score
Technology areasB41K
Files withM & R MARKING SYSTEMS INC9
Top patents by PatentIndex Score
9 records- 0183US5517916ASelf-inking stampM & R MARKING SYSTEMS INC·Filed 1994·Granted May 21, 1996·42 cites·75 claims
- 0278USD444808SHand stampM & R MARKING SYSTEMS INC·Filed 2000·Granted Jul 10, 2001·23 cites·1 claims
- 0375US5649485ASelf-inking stampM & R MARKING SYSTEMS INC·Filed 1996·Granted Jul 22, 1997·32 cites·22 claims
- 0471USD387799SSelf-inking stampM&R MARKING SYSTEMS INC·Filed 1996·Granted Dec 16, 1997·16 cites·1 claims
- 0570USD478930SHand stamp and storage capM & R MARKING SYSTEMS INC·Filed 2002·Granted Aug 26, 2003·17 cites·1 claims
- 0667USD387800SInk pad holderM&R MARKING SYSTEMS INC·Filed 1996·Granted Dec 16, 1997·14 cites·1 claims
- 0758US6119596APre-inked marking structures and method of assembling same to a stamped mountM & R MARKING SYSTEMS INC·Filed 1998·Granted Sep 19, 2000·21 cites·19 claims
- 0857US7024994B2Hand stamp with locking ribsM & R MARKING SYSTEMS INC·Filed 2003·Granted Apr 11, 2006·6 cites·23 claims
- 0950USD477628SHand stamp caseM & R MARKING SYSTEMS INC·Filed 2002·Granted Jul 22, 2003·7 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →