Dale Fiene

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Addison, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
A. C. powered smoke detector with back-up battery supervision circuit
- Patent number 4,972,181
- Issue date Nov 20, 1990
- Fyrnetics, Inc.
- Dale E. Fiene
- G08 - SIGNALLING
Information Patent Grant
Combustion products detector having self-actuated periodic testing...
- Patent number 4,965,556
- Issue date Oct 23, 1990
- Seatt Corporation
- James Brodecki
- G08 - SIGNALLING