Roger D. DuBois

📍 Apple Valley, MN: #294 of 500 inventorsTop 60%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,945,242 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4719826	Light bulb extractor	—	1988-01-19