Robert W. Simpson

📍 Richlands, VA: #3 of 5 inventorsTop 60%

🗺 Virginia: #1,101 of 3,633 inventorsTop 35%

Overall (2018): #257,063 of 503,207Top 55%

Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9932720	Excavator shearing implement	—	2018-04-03