WM

William A. Martherus

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Garden Grove, CA: #306 of 564 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,735,232 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5487278 Back-up switching system for refrigerator trucks Jerry Hilleveld, Kenneth J. Hartman 1996-01-30