Movable screens

This industry / category may be too specific. Please go to a parent level for more data

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
2179673
- Patent number 2,179,673
- Issue date Nov 14, 1939
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2162478
- Patent number 2,162,478
- Issue date Jun 13, 1939
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2053930
- Patent number 2,053,930
- Issue date Sep 8, 1936
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1997831
- Patent number 1,997,831
- Issue date Apr 16, 1935
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1997986
- Patent number 1,997,986
- Issue date Apr 16, 1935
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1923335
- Patent number 1,923,335
- Issue date Aug 22, 1933
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1816168
- Patent number 1,816,168
- Issue date Jul 28, 1931
- H01 - BASIC ELECTRIC ELEMENTS