Alerting Communicators of America

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Mequon, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Energizing means for electronic warning apparatus
- Patent number 4,945,334
- Issue date Jul 31, 1990
- Alerting Communicators of America
- James E. Biersach
- G08 - SIGNALLING
Information Patent Grant
Electronic warning apparatus
- Patent number 4,796,009
- Issue date Jan 3, 1989
- Alerting Communicators of America
- James E. Biersach
- G10 - MUSICAL INSTRUMENTS ACOUSTICS