FM

Frank D. Marschka

RC Rca: 2 patents #51 of 435Top 15%
🗺 Pennsylvania: #204 of 2,652 inventorsTop 8%
Overall (1982): #14,253 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4350925 Main lens assembly for an electron gun 1982-09-21
4344015 Screen contact means for a cathode ray tube 1982-08-10