EH

Edward S. Holden

📍 Cambridge, MA: #2,070 of 8,183 inventorsTop 30%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #953,792 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11298629 Ball toy — 2022-04-12
10967290 Ball toy — 2021-04-06
5483838 Fluid flow connector and gauge assembly — 1996-01-16
4667517 Rapid response pressure gauge spring — 1987-05-26
4191056 Pressure gauge spring — 1980-03-04