FK

Frederick J. Koolhof

UC United States Manufacturing Company: 1 patents #9 of 17Top 55%
📍 El Cajon, CA: #253 of 572 inventorsTop 45%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,767,520 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5403266 Inflatable cervical traction collar Steven Donald Bragg, Vick G. Bonessa 1995-04-04