RB

Robert M. Berdahl

TE Tennant: 3 patents #55 of 188Top 30%
📍 Plymouth, MN: #614 of 1,545 inventorsTop 40%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,665,504 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5044043 Speed and steering control for a floor maintenance machine Michael T. Basham, Bruce E. Field 1991-09-03
4825500 Speed and steering control for a floor maintenance machine Michael T. Basham, Bruce F. Field 1989-05-02
4709771 Speed and steering control for a floor maintenance machine Michael T. Basham, Bruce E. Field 1987-12-01