RF

Ralph Frederick

AL Alliedsignal: 1 patents #1,187 of 2,631Top 50%
Overall (All Time): #3,552,575 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

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