DA

David G. Addison

HH Heidelberg Harris: 2 patents #24 of 70Top 35%
📍 Dover, NH: #124 of 261 inventorsTop 50%
🗺 New Hampshire: #5,349 of 12,181 inventorsTop 45%
Overall (All Time): #2,298,896 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5178066 Speed match ductor assembly Glenn Alan Guaraldi, David C. Gibson 1993-01-12
5123351 Speed match ductor assembly Glenn Alan Guaraldi, David C. Gibson 1992-06-23