Inventor · disambiguated record
Walter W. Stefanski
Also filed as: STEFANSKI WALTER · STEFANSKI WALTER W
11 granted patents·221 citations·filing 1994–2003
92Inventor score
Technology areasB41K
Files withM & R MARKING SYSTEMS INC11
Top patents by PatentIndex Score
11 records- 0183US5517916ASelf-inking stampM & R MARKING SYSTEMS INC·Filed 1994·Granted May 21, 1996·42 cites·75 claims
- 0280USD359504SHand stamp handleM & R MARKING SYSTEMS INC·Filed 1994·Granted Jun 20, 1995·22 cites·1 claims
- 0378USD444808SHand stampM & R MARKING SYSTEMS INC·Filed 2000·Granted Jul 10, 2001·23 cites·1 claims
- 0475US5649485ASelf-inking stampM & R MARKING SYSTEMS INC·Filed 1996·Granted Jul 22, 1997·32 cites·22 claims
- 0574USD493192SHand stampM & R MARKING SYSTEMS INC·Filed 2003·Granted Jul 20, 2004·19 cites·1 claims
- 0671USD493191SHand stampM & R MARKING SYSTEMS INC·Filed 2003·Granted Jul 20, 2004·17 cites·1 claims
- 0771USD387799SSelf-inking stampM&R MARKING SYSTEMS INC·Filed 1996·Granted Dec 16, 1997·16 cites·1 claims
- 0870USD478930SHand stamp and storage capM & R MARKING SYSTEMS INC·Filed 2002·Granted Aug 26, 2003·17 cites·1 claims
- 0967USD387800SInk pad holderM&R MARKING SYSTEMS INC·Filed 1996·Granted Dec 16, 1997·14 cites·1 claims
- 1063USD480103SSeal pressM & R MARKING SYSTEMS INC·Filed 2003·Granted Sep 30, 2003·12 cites·1 claims
- 1150USD477628SHand 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 →