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Patents Grantslast 30 patents

Information Patent Grant
3134921
- Patent number 3,134,921
- Issue date May 26, 1964
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2433181
- Patent number 2,433,181
- Issue date Dec 23, 1947
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2340670
- Patent number 2,340,670
- Issue date Feb 1, 1944
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2286755
- Patent number 2,286,755
- Issue date Jun 16, 1942
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1887069
- Patent number 1,887,069
- Issue date Nov 8, 1932
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1781305
- Patent number 1,781,305
- Issue date Nov 11, 1930
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1664195
- Patent number 1,664,195
- Issue date Mar 27, 1928
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1610059
- Patent number 1,610,059
- Issue date Dec 7, 1926
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1602909
- Patent number 1,602,909
- Issue date Oct 12, 1926
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1366452
- Patent number 1,366,452
- Issue date Jan 25, 1921
- H01 - BASIC ELECTRIC ELEMENTS