Robert L. Roberts

RM Roberts Filter Manufacturing: 1 patents #1 of 1Top 100%

📍 Boothwyn, PA: #2 of 5 inventorsTop 40%

🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%

Overall (1982): #33,576 of 81,411Top 45%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4364830	Filter bottom	—	1982-12-21