Roger T. Hoffman

📍 Monroe Center, IL: #2 of 5 inventorsTop 40%

🗺 Illinois: #26,653 of 84,256 inventorsTop 35%

Overall (All Time): #1,663,838 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D314900	Abrading machine	—	1991-02-26
4924636	Orbital rubbing machine with improved spindle locking member	—	1990-05-15
4686797	Straight-line rubbing machine with thrust transmitting members	—	1987-08-18