ACRO-Techn Inc.

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Vented valve mechanism for internal combustion engines
- Patent number 5,357,914
- Issue date Oct 25, 1994
- ACRO-Techn Inc.
- Reggie D. Huff
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES