L. F. Perry

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Olney, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable high volume cement mixer
- Patent number 5,474,379
- Issue date Dec 12, 1995
- L. F. Perry
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Portable large volume cement mixer for batch operations
- Patent number 5,411,329
- Issue date May 2, 1995
- L. F. Perry
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Mobile batch plants
- Patent number 4,775,275
- Issue date Oct 4, 1988
- L. F. Perry
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Hydraulic drive pump apparatus
- Patent number 4,474,002
- Issue date Oct 2, 1984
- L. F. Perry
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...