Joseph W. Twardowski

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Schaumburg, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Transmitter and receiver for controlling remote elements
- Patent number 4,535,333
- Issue date Aug 13, 1985
- Chamberlain Manufacturing Corporation
- Joseph W. Twardowski
- G07 - CHECKING-DEVICES
Information Patent Grant
Transmitter and receiver for controlling the coding in a transmitte...
- Patent number 4,529,980
- Issue date Jul 16, 1985
- Chamberlain Manufacturing Corporation
- Frank J. Liotine
- G08 - SIGNALLING