Individual holder
CHAUM DAVID L
US·3 granted patents·901 citations·filing 1983–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0198US4759064ABlind unanticipated signature systemsCHAUM DAVID L·Filed 1985·Granted Jul 19, 1988·396 cites·44 claims
- 0295US4759063ABlind signature systemsCHAUM DAVID L·Filed 1983·Granted Jul 19, 1988·317 cites·41 claims
- 0376US4996711ASelected-exponent signature systemsCHAUM DAVID L·Filed 1989·Granted Feb 26, 1991·188 cites·15 claims
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