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Patents Grantslast 30 patents

Information Patent Grant
Air set sand molding apparatus
- Patent number 10,307,818
- Issue date Jun 4, 2019
- Wisconsin Aluminum Foundry Company
- Mark Vohl
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
3387645
- Patent number 3,387,645
- Issue date Jun 11, 1968
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
2532634
- Patent number 2,532,634
- Issue date Dec 5, 1950
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
2340972
- Patent number 2,340,972
- Issue date Feb 8, 1944
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
2238785
- Patent number 2,238,785
- Issue date Apr 15, 1941
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
2109922
- Patent number 2,109,922
- Issue date Mar 1, 1938
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
2076790
- Patent number 2,076,790
- Issue date Apr 13, 1937
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
1939885
- Patent number 1,939,885
- Issue date Dec 19, 1933
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
1664260
- Patent number 1,664,260
- Issue date Mar 27, 1928
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
1457439
- Patent number 1,457,439
- Issue date Jun 5, 1923
- B22 - CASTING POWDER METALLURGY