John Ambrozaitis

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Waterbury, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic flip-type visual indicator
- Patent number 4,694,599
- Issue date Sep 22, 1987
- Minelco, Inc.
- Robert D. Hart
- G08 - SIGNALLING
Information Patent Grant
Magnetic latching and damping for electromagnetic indicators
- Patent number 4,661,813
- Issue date Apr 28, 1987
- Minelco, Inc.
- Robert Mazzamauro
- G08 - SIGNALLING