EB

Ernest W. Billingham

CF Conti Fasteners: 2 patents #2 of 7Top 30%
Overall (All Time): #2,315,158 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5000638 Screw for contaminated pre-tapped holes Charles J. Essom 1991-03-19
4973209 Screw for contaminated pre-tapped holes Charles J. Essom 1990-11-27