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Patents Grantslast 30 patents

Information Patent Grant
Gypsum composition, gypsum slurry, gypsum hardened body, gypsum-bas...
- Patent number 9,321,685
- Issue date Apr 26, 2016
- Yoshino Gypsum Co., Ltd.
- Yuji Ataka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
3765825
- Patent number 3,765,825
- Issue date Oct 16, 1973
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3614075
- Patent number 3,614,075
- Issue date Oct 19, 1971
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3073531
- Patent number 3,073,531
- Issue date Jan 15, 1963
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
2179154
- Patent number 2,179,154
- Issue date Nov 7, 1939
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
1561002
- Patent number 1,561,002
- Issue date Nov 10, 1925
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
1446949
- Patent number 1,446,949
- Issue date Feb 27, 1923
- B28 - WORKING CEMENT, CLAY, OR STONE