JH

John H. Hannigan

📍 Redwood City, CA: #2,278 of 5,061 inventorsTop 50%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,630,907 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6147334 Laminated paddle heater and brazing process 2000-11-14
5999081 Shielding unique for filtering RFI and EFI interference signals from the measuring elements Raymond F. Crews 1999-12-07
5864282 Unique strain relief junction Raymond F. Crews 1999-01-26