WC

William P. Curtiss

EC Ecoair: 2 patents #2 of 3Top 70%
📍 Winthrop, MA: #1 of 3 inventorsTop 35%
🗺 Massachusetts: #422 of 4,501 inventorsTop 10%
Overall (1997): #20,173 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5656922 Vehicle based AC power system William J. LaVelle, Charles D. Syverson 1997-08-12
5631544 Hybrid alternator with voltage regulator Charles D. Syverson 1997-05-20