FC

Frank B. Cramer

📍 Mission Hills, CA: #11 of 56 inventorsTop 20%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,625,835 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6012533 Fire safety system — 2000-01-11
5918679 Fire safety system — 1999-07-06
4224948 Wrist borne pulse meter/chronometer J. Lawrence Semar 1980-09-30