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Somserset, NJ, United States of America

Charles J Trojahn

USPTO Granted Patents = 5

Average Co-Inventor Count = 1.1

ph-index = 4

Forward Citations = 54(Granted Patents)

Location History:

Middle Village, NY (US) (1976)
Forest Hills, NY (US) (1988 - 1990)
Somerset, NJ (US) (2007)
Somserset, NJ (US) (2015)

Company Filing History:

Friedrich Metal Products Co., Inc.

Frank Brunckhorst Co.

4 out of 832,912

Other

patents

where one patent can have more than one assignee

Years Active: 1976-2015

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8925665 - Propulsion and directional control apparatus for an air cushion vehicle (2015-01-06),

2. 7306066 - Air cushion vehicle and game (2007-12-11),

3. 4910030 - Frozen confectionary product and method of making the same (1990-03-20),

4. D297680 - Filled frozen confection (1988-09-20),

5. 3935688 - Impervious wall structure (1976-02-03),

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