J. M. Johnson

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Lewisville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary-to-linear motion converter and use thereof
- Patent number 6,244,228
- Issue date Jun 12, 2001
- Damon Kuhn
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Reciprocating valve actuator device
- Patent number 5,483,929
- Issue date Jan 16, 1996
- Kuhn-Johnson Design Group, Inc.
- Damon Kuhn
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES