Robert H. VanderWerf

📍 Redding, CA: #25 of 258 inventorsTop 10%

🗺 California: #93,399 of 386,348 inventorsTop 25%

Overall (All Time): #895,357 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
D288539	Four way corner level	—	1987-03-03
D288540	Four way corner level	—	1987-03-03
D288541	Four way corner level	—	1987-03-03
D261626	Corner level	—	1981-11-03
D257330	Corner level	—	1980-10-14
D255504	Spirit level vial container	—	1980-06-24