RH

Richard Hammar

General Motors: 25 patents #479 of 18,328Top 3%
TK The L.D. Kichler: 16 patents #5 of 46Top 15%
📍 Fraser, MI: #2 of 160 inventorsTop 2%
🗺 Michigan: #1,198 of 86,293 inventorsTop 2%
Overall (All Time): #70,989 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
D430330 Lighting fixture 2000-08-29
D429836 Lighting fixture 2000-08-22
D429835 Chandelier 2000-08-22
D411029 Chandelier 1999-06-15
D410102 Chandelier 1999-05-18
D409783 Chandelier 1999-05-11
D398069 Chandelier 1998-09-08
D386281 Chandelier 1997-11-11
D372554 Chandelier 1996-08-06
D372321 Chandelier 1996-07-30
D371859 Glass lighting fixture shade 1996-07-16
D359141 Chandelier 1995-06-06
D350833 Glass lamp shade 1994-09-20
4881944 Method of making positive battery paste 1989-11-21
4342343 Method of making a negative lead-acid storage battery plate Robert Edward Clague, Douglas J. Harvey 1982-08-03
4308322 Battery cell and electrolyte circulation pump 1981-12-29
4286362 Lightweight laminated grid for lead acid-storage batteries Douglas J. Harvey 1981-09-01
4221854 Lightweight laminated grid for lead-acid storage batteries Douglas J. Harvey 1980-09-09