John C. Coffrin

📍 Lebanon, NH: #4 of 6 inventorsTop 70%

🗺 New Hampshire: #88 of 409 inventorsTop 25%

Overall (1989): #32,856 of 140,708Top 25%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4819568	Multi-way portable writing desk	—	1989-04-11