Inventor · disambiguated record
David L. Hunter, Sr.
Also filed as: HUNTER DAVID L · HUNTER SR DAVID L
4 granted patents·215 citations·filing 1977–2002
82Inventor score
Top patents by PatentIndex Score
4 records- 0189US4123848ABlock profile gaugeFANSTEEL INC·Filed 1977·Granted Nov 7, 1978·37 cites·7 claims
- 0280US4575156AMining block and bitFANSTEEL INC·Filed 1984·Granted Mar 11, 1986·45 cites·1 claims
- 0375US6343361B1Dynamic challenge-response authentication and verification of identity of party sending or receiving electronic communicationTSUNAMI SECURITY INC·Filed 1998·Granted Jan 29, 2002·110 cites·21 claims
- 0472US6668321B2Verification of identity of participant in electronic communicationTSUNAMI SECURITY INC·Filed 2002·Granted Dec 23, 2003·23 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →