Making hollow glass articles with double walls

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Patents Grantslast 30 patents

Information Patent Grant
2102357
- Patent number 2,102,357
- Issue date Dec 14, 1937
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
2020590
- Patent number 2,020,590
- Issue date Nov 12, 1935
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
1960045
- Patent number 1,960,045
- Issue date May 22, 1934
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
1958859
- Patent number 1,958,859
- Issue date May 15, 1934
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
1816045
- Patent number 1,816,045
- Issue date Jul 28, 1931
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
1623311
- Patent number 1,623,311
- Issue date Apr 5, 1927
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
1554863
- Patent number 1,554,863
- Issue date Sep 22, 1925
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...