Inventor · disambiguated record
Max Langenstein
Also filed as: LANGENSTEIN MAX
5 granted patents·68 citations·filing 1976–1988
80Inventor score
Top patents by PatentIndex Score
5 records- 0173US4768258AHandle extension for a manual implement such as a gardening, cleaning or like toolLANGENSTEIN FELD GARTEN·Filed 1987·Granted Sep 6, 1988·26 cites·9 claims
- 0261US4392661ASupply apparatus to provide electricity to motor-driven appliances, especially lawn edge trimmers, driven with electric motorsLANGENSTEIN MAX·Filed 1980·Granted Jul 12, 1983·21 cites·4 claims
- 0354US4007526ALawn-edge trimmer with detachable handleLANGENSTEIN FELD GARTEN·Filed 1976·Granted Feb 15, 1977·14 cites·10 claims
- 0433US4335568AFilament-type vegetation trimmer with automatic line sensorLANGENSTEIN FELD GARTEN·Filed 1981·Granted Jun 22, 1982·5 cites·6 claims
- 0527US4930933AHand tool, especially a gardening, farm, cleaning, or like implementLANGENSTEIN FELD GARTEN·Filed 1988·Granted Jun 5, 1990·2 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →