WH

William C. Hadden

TE The Ensign-Bickford: 1 patents #9 of 17Top 55%
📍 Springfield, MA: #3 of 15 inventorsTop 20%
🗺 Massachusetts: #1,083 of 4,501 inventorsTop 25%
Overall (1997): #60,110 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5689083 Obturating initiation fitting — 1997-11-18