JK

John F. Kalbach

📍 Altadena, CA: #269 of 429 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,072,790 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4339779 Apparatus for preventing damage by voltage interruption — 1982-07-13