Ernest K. Schrader

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Walla Walla, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dowel bar sleeve system and method
- Patent number 6,145,262
- Issue date Nov 14, 2000
- Expando-Lok, Inc.
- Ernest K. Schrader
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Yielding tie bar
- Patent number 5,870,869
- Issue date Feb 16, 1999
- Ernest K. Schrader
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Method for forming a roller compacted concrete industrial floor slab
- Patent number 5,709,824
- Issue date Jan 20, 1998
- Kalman Floor Co., Inc.
- Carl N. Ytterberg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for forming a roller compacted concrete industrial floor slab
- Patent number 5,643,509
- Issue date Jul 1, 1997
- Kalman Floor Company, Inc.
- Carl N. Ytterberg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Tying bar for concrete joints
- Patent number 4,733,513
- Issue date Mar 29, 1988
- Ernest K. Schrader
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES