HH

Harold E. Holden

📍 Saint Johnsbury Center, VT: #37 of 89 inventorsTop 45%
🗺 Vermont: #2,192 of 4,968 inventorsTop 45%
Overall (All Time): #2,317,189 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5024512 Microfilm reader with microfilm and reticle images provided to each of two binocular eyepieces Arnold H. Greene 1991-06-18
4849794 High precision photoreduction process and related apparatus Arnold H. Greene 1989-07-18