AN

Alan L. Newcomb

SI Smith International: 4 patents #147 of 708Top 25%
📍 Rancho Palos Verdes, CA: #442 of 1,701 inventorsTop 30%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,309,996 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4358384 Composite grease for rock bit bearings 1982-11-09
4248484 Pressure venting O-ring bearing seal for rock bits 1981-02-03
4209121 Electronic bit gaging 1980-06-24
4200160 Sweep pickup for a big hole bit 1980-04-29