John C. Coffrin

📍 Lebanon, NH: #217 of 330 inventorsTop 70%

🗺 New Hampshire: #7,386 of 12,181 inventorsTop 65%

Overall (All Time): #3,924,968 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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