HD

Harold E. Dunfee

AL Alliedsignal: 1 patents #1,187 of 2,631Top 50%
📍 Fostoria, OH: #16 of 37 inventorsTop 45%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,552,576 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6426586 Contact glass composition for use in spark plugs Ching T. Young, Philip R. Woodruff, Duane L. Schreiner, Ralph Frederick, Jeff A. Goldacker 2002-07-30