Reinforcing mats

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Patents Grantslast 30 patents

Information Patent Grant
Conduit making method
- Patent number 4,235,831
- Issue date Nov 25, 1980
- David Larive
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Pipe coating machine
- Patent number 4,058,428
- Issue date Nov 15, 1977
- Compression Coat Corporation
- Patrick P. Case
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3262175
- Patent number 3,262,175
- Issue date Jul 26, 1966
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3111965
- Patent number 3,111,965
- Issue date Nov 26, 1963
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
2878544
- Patent number 2,878,544
- Issue date Mar 24, 1959
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
1418859
- Patent number 1,418,859
- Issue date Jun 6, 1922
- B28 - WORKING CEMENT, CLAY, OR STONE