Inventor · disambiguated record
Charles J. Trojahn
Also filed as: TROJAHN CHARLES J · TROJAHN CHARLES JOSEPH
5 granted patents·76 citations·filing 1973–2014
80Inventor score
Files withTROJAHN CHARLES J5
Top patents by PatentIndex Score
5 records- 0174US8925665B2Propulsion and directional control apparatus for an air cushion vehicleTROJAHN CHARLES J·Filed 2014·Granted Jan 6, 2015·4 cites·22 claims
- 0274US7306066B2Air cushion vehicle and gameTROJAHN CHARLES J·Filed 2005·Granted Dec 11, 2007·8 cites·67 claims
- 0370USD297680SFilled frozen confectionTROJAHN CHARLES J·Filed 1986·Granted Sep 20, 1988·15 cites·1 claims
- 0468US4910030AFrozen confectionary product and method of making the sameTROJAHN CHARLES J·Filed 1988·Granted Mar 20, 1990·45 cites·10 claims
- 0522US3935688AImpervious wall structureTROJAHN CHARLES J·Filed 1973·Granted Feb 3, 1976·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →