WH

William H. Haines

📍 Calabasas, CA: #1,508 of 4,119 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,311,225 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5139699 Spray formulation for the testing of smoke detectors Leon Cooper 1992-08-18
4301674 Smoke detector tester Leon Cooper 1981-11-24