GB

George H. Bramhall

RM Royal Appliance Mfg.: 6 patents #32 of 121Top 30%
MT Monsanto Technology: 1 patents #877 of 1,657Top 55%
📍 Boulder, CO: #882 of 5,018 inventorsTop 20%
🗺 Colorado: #5,842 of 40,980 inventorsTop 15%
Overall (All Time): #670,732 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4891861 Hand vacuum cleaner John F. Sovis, Robert M. Smith 1990-01-09
4791699 Hand vacuum cleaner John F. Sovis, Robert M. Smith 1988-12-20
4788740 Hand vacuum cleaner John F. Sovis, Robert M. Smith 1988-12-06
4741070 Hand vacuum cleaner John F. Sovis, Robert M. Smith 1988-05-03
4730362 Hand vacuum cleaner John F. Sovis, Robert M. Smith 1988-03-15
D290806 Telephone light bulb replacement tool Kenneth W. Hotchkiss, John A. Popken 1987-07-14
4633543 Hand vacuum cleaner John F. Sovis, Robert M. Smith 1987-01-06
4323533 Rotary forming of articles — 1982-04-06