Inventor

ARGENTO DAN J

2 patents

Patents

2 patents

US4012784AMar 15, 1977

Voice logging recorder including decks dedicated for both logging and recall operations

MINNESOTA MINING & MFG12 citations69

US4011586AMar 8, 1977

Voice logging recorder for use with preloaded cassettes

MINNESOTA MINING & MFG13 citations66