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Patents Grantslast 30 patents

Information Patent Grant
Digital processing system for time-of-day and demand meter display
- Patent number 4,301,508
- Issue date Nov 17, 1981
- Eaton Corp.
- John A. Anderson
- G01 - MEASURING TESTING
Information Patent Grant
Direction sensitive opto-electronic pulse initiator for electrical...
- Patent number 4,034,292
- Issue date Jul 5, 1977
- Westinghouse Electric Corporation
- Theodore M. McClelland
- G01 - MEASURING TESTING
Information Patent Grant
1378884
- Patent number 1,378,884
- Issue date May 24, 1921
- G01 - MEASURING TESTING