JT

James F. Tetzlaff

🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,094,700 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4283178 Electromechanical braille cell — 1981-08-11