Individual holder
HUGHES DONALD R
12 granted patents·168 citations·filing 1976–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
12 records- 0185USD290581STubular keyHUGHES DONALD R·Filed 1985·Granted Jun 30, 1987·24 cites·1 claims
- 0283US4102166AKey bow coverHUGHES DONALD R·Filed 1977·Granted Jul 25, 1978·34 cites·5 claims
- 0377US8267625B2Slotting cutter and inserts for sameHUGHES DONALD R·Filed 2008·Granted Sep 18, 2012·10 cites·24 claims
- 0471US8177459B2Ball nose end mill and insertHUGHES DONALD R·Filed 2008·Granted May 15, 2012·9 cites·56 claims
- 0568US4045983AUniversal barrel key apparatusHUGHES DONALD R·Filed 1976·Granted Sep 6, 1977·20 cites·8 claims
- 0663US9073131B2Slotting cutter and inserts for sameHUGHES DONALD R·Filed 2012·Granted Jul 7, 2015·2 cites·20 claims
- 0754US9827621B2Cutting tool including a cutting insert retaining and adjusting mechanismHUGHES DONALD R·Filed 2009·Granted Nov 28, 2017·3 cites·15 claims
- 0854US4683739AKey operated lockHUGHES DONALD R·Filed 1986·Granted Aug 4, 1987·19 cites·12 claims
- 0949US4831852AKey operated lockHUGHES DONALD R·Filed 1988·Granted May 23, 1989·16 cites·8 claims
- 1049US4094176APick for tubular cylinder locksHUGHES DONALD R·Filed 1977·Granted Jun 13, 1978·11 cites·11 claims
- 1147US4324513ATubular key manufacturing machineHUGHES DONALD R·Filed 1980·Granted Apr 13, 1982·10 cites·3 claims
- 1246US4622834AKey assemblyHUGHES DONALD R·Filed 1985·Granted Nov 18, 1986·10 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →