EH

Ernest Howbrook

ND National Research Development: 1 patents #307 of 1,071Top 30%
Overall (All Time): #1,676,600 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4697144 Position sensing apparatus — 1987-09-29
4369431 Apparatus and methods for recognizing handwritten signs — 1983-01-18
4240065 Position sensing apparatus — 1980-12-16