Lem A. Madden

📍 Norman, OK: #1 of 17 inventorsTop 6%

🗺 Oklahoma: #101 of 552 inventorsTop 20%

Overall (1982): #46,363 of 81,411Top 60%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4331347	Three-point hookup apparatus	—	1982-05-25