LH

Leo J. Hubbard

PD Precision Handling Devices: 3 patents #3 of 7Top 45%
🗺 Massachusetts: #17,885 of 88,656 inventorsTop 25%
Overall (All Time): #762,527 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6092853 Vehicle safety system 2000-07-25
5947543 Vehicle safety system 1999-09-07
4714185 Perforated web feeding apparatus Leo J. Kerivan 1987-12-22
4457463 Tractor apparatus Raymond Hubbard, Erwin J. Strobel, Jr. 1984-07-03
4421261 Web feed tractor 1983-12-20
4345708 Document feed mechanism 1982-08-24
4199091 Document tractor 1980-04-22