Inventor

COLEGROVE RUSSELL K

US2 patents

Patents

2 patents

US4677273AJun 30, 1987

Electron beam welding apparatus

LEYBOLD HERAEUS GMBH & CO KG43 citations89

US4687902AAug 18, 1987

Electron-beam welding apparatus

LEYBOLD HERAEUS GMBH & CO KG10 citations68