Inventor · disambiguated record
Arthur J. Holbrook
Also filed as: HOLBROOK ARTHUR J
4 granted patents·68 citations·filing 1978–1980
78Inventor score
Technology areasA01K
Files withROLF C HAGEN USA CORP4
Top patents by PatentIndex Score
4 records- 0170US4313048AThermostatically controlled externally mounted electric aquarium heaterROLF C HAGEN USA CORP·Filed 1978·Granted Jan 26, 1982·25 cites·14 claims
- 0269US4160427AAquarium waterfallROLF C HAGEN USA CORP·Filed 1978·Granted Jul 10, 1979·24 cites·10 claims
- 0356USD268360SAquarium heaterROLF C HAGEN USA CORP·Filed 1980·Granted Mar 22, 1983·7 cites·1 claims
- 0446US4333626AAquarium heaterROLF C HAGEN USA CORP·Filed 1979·Granted Jun 8, 1982·12 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →