John A. Coburn, Jr.

LP L&L Products: 2 patents #21 of 58Top 40%

📍 Warren, MI: #308 of 910 inventorsTop 35%

🗺 Michigan: #35,034 of 86,293 inventorsTop 45%

Overall (All Time): #2,329,338 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4813690	Sealing member	—	1989-03-21
4463870	Closure plate for an opening	Paul Shaw	1984-08-07