DE

David A. Estrabrooks

📍 Newburyport, MA: #198 of 289 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,577,784 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6212994 Positive displacement rotary machine — 2001-04-10