Individual holder
HAYDEN ROBERT K
3 granted patents·28 citations·filing 1979–1980
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0160US4259545AHigh voltage safety-glow insulatorHAYDEN ROBERT K·Filed 1979·Granted Mar 31, 1981·17 cites·7 claims
- 0235US4330894AMethod of opening metal beverage containersHAYDEN ROBERT K·Filed 1980·Granted May 25, 1982·11 cites·2 claims
- 0322US4273086ADevice and method for freeing frozen engine cylindersHAYDEN ROBERT K·Filed 1979·Granted Jun 16, 1981·0 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →