Robert A. Barr

📍 Virginia Beach, VA: #19 of 86 inventorsTop 25%

🗺 Virginia: #1,200 of 4,063 inventorsTop 30%

Overall (2022): #286,184 of 548,613Top 55%

Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11285652	No solid bed extruder screw	—	2022-03-29