Inventor · disambiguated record

Douglas N. Hilgendorf

Also filed as: HILGENDORF DOUGLAS · HILGENDORF DOUGLAS N

2 granted patents·756 citations·filing 1986–1992

75Inventor score

Technology areasG06F G07F

Files withBALLY GAMING INT INC1 BALLY MFG CORP1

Top patents by PatentIndex Score

2 records

0190US5249800AProgressive gaming control and communication systemBALLY GAMING INT INC·Filed 1992·Granted Oct 5, 1993·540 cites·36 claims
0287US4727544AMemory integrity checking system for a gaming deviceBALLY MFG CORP·Filed 1986·Granted Feb 23, 1988·216 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →