WF

Willard P. Francis

EC Ecoair: 1 patents #5 of 9Top 60%
📍 West Haven, CT: #98 of 234 inventorsTop 45%
🗺 Connecticut: #15,609 of 34,797 inventorsTop 45%
Overall (All Time): #2,260,046 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5747909 Hybrid alternator Charles D. Syverson 1998-05-05
4357988 Air-conditioning/heating system David J. Hudson 1982-11-09