GK

Gerhart P. Klein

DU Duracell: 3 patents #52 of 239Top 25%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
EM Emhart: 1 patents #155 of 310Top 50%
Overall (All Time): #721,255 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D887729 Chair 2020-06-23
D294089 Seat 1988-02-09
4663248 Electrode terminal contact Francis E. Gurrie, Joseph Barella 1987-05-05
4601516 Contoured chair 1986-07-22
4483909 Electrochemical cell with pressurized liquid electrolyte 1984-11-20
4476624 Method for making spirally wound cells Michael J. Mitchell 1984-10-16
4230742 Method for applying material to a substrate 1980-10-28