Luther V. Elkin

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Indiana, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Concrete strengthening and adhesion material feeding apparatus
- Patent number 5,599,095
- Issue date Feb 4, 1997
- Luther V. Elkin
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Material blender mixer and method therefor
- Patent number 5,375,925
- Issue date Dec 27, 1994
- Luther V. Elkin
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Cement mixer for fast setting materials
- Patent number 4,768,884
- Issue date Sep 6, 1988
- Luther V. Elkin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Auger swivel for concrete mixer
- Patent number 4,755,059
- Issue date Jul 5, 1988
- Luther V. Elkin
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Concrete mixing and distribution equipment
- Patent number 4,556,323
- Issue date Dec 3, 1985
- Luther V. Elkin
- B28 - WORKING CEMENT, CLAY, OR STONE