JH

James E. Hefferon

📍 Keene, NH: #76 of 131 inventorsTop 60%
🗺 New Hampshire: #7,386 of 12,181 inventorsTop 65%
Overall (All Time): #4,019,013 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4532093 Method and apparatus for the manufacture of molded packings Michael O'Malley, David E. Henderson, Mark J. Cable 1985-07-30