SM

Sumner MacDonald

📍 Providence, RI: #9 of 1,397 inventorsTop 1%
🗺 Rhode Island: #55 of 6,211 inventorsTop 1%
Overall (All Time): #58,850 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 26–48 of 48 patents

Patent #TitleCo-InventorsDate
D374976 Track type key holder 1996-10-29
D369020 Claw type key holder 1996-04-23
D359845 Triple header key holder 1995-07-04
D359844 Triple header key holder 1995-07-04
D359846 Triple header key holder 1995-07-04
D357114 Key holder 1995-04-11
5341662 Key holder 1994-08-30
D343952 Key holder 1994-02-08
D342384 Key ring holder 1993-12-21
D341940 Key holder 1993-12-07
D338998 Key ring holder 1993-09-07
4967453 Resilient clip 1990-11-06
D311642 Knife key holder 1990-10-30
D311643 Knife key holder 1990-10-30
D311275 Key holder 1990-10-16
D310447 Key ring holder 1990-09-11
D310306 Key holder 1990-09-04
D308918 Key holder 1990-07-03
4891956 Indicia device 1990-01-09
4776191 Key holder 1988-10-11
D285987 Key holder 1986-10-07
D285989 Key holder 1986-10-07
D271443 Key holder 1983-11-22