Inventor · disambiguated record
Douglas E. Haggan
Also filed as: HAGGAN DOUGLAS E
2 granted patents·241 citations·filing 1985–1995
70Inventor score
Top patents by PatentIndex Score
2 records- 0190US4605844AComputerized transaction card with inductive data transferAT & T TECHNOLOGIES INC·Filed 1985·Granted Aug 12, 1986·198 cites·16 claims
- 0260US6029224ASelf-contained memory apparatus having diverse types of memory and distributed controlLUCENT TECHNOLOGIES INC·Filed 1995·Granted Feb 22, 2000·43 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →