Leaf electrometers

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Patents Grantslast 30 patents

Information Patent Grant
Noncontact voltage measurement apparatus
- Patent number 10,254,313
- Issue date Apr 9, 2019
- Alps Alpine Co., Ltd.
- Hiroyuki Hebiguchi
- G01 - MEASURING TESTING
Information Patent Grant
3363176
- Patent number 3,363,176
- Issue date Jan 9, 1968
- G01 - MEASURING TESTING
Information Patent Grant
3153710
- Patent number 3,153,710
- Issue date Oct 20, 1964
- G01 - MEASURING TESTING
Information Patent Grant
2678423
- Patent number 2,678,423
- Issue date May 11, 1954
- G01 - MEASURING TESTING
Information Patent Grant
1815606
- Patent number 1,815,606
- Issue date Jul 21, 1931
- G01 - MEASURING TESTING
Information Patent Grant
1726866
- Patent number 1,726,866
- Issue date Sep 3, 1929
- G01 - MEASURING TESTING
Information Patent Grant
1601042
- Patent number 1,601,042
- Issue date Sep 28, 1926
- G01 - MEASURING TESTING
Information Patent Grant
1551374
- Patent number 1,551,374
- Issue date Aug 25, 1925
- G01 - MEASURING TESTING
Information Patent Grant
1446748
- Patent number 1,446,748
- Issue date Feb 27, 1923
- G01 - MEASURING TESTING