Eric Eisfeld

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San Leandro, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for transmitter for universal garage door opener
- Patent number 5,790,948
- Issue date Aug 4, 1998
- Universal Devices
- Eric Eisfeld
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and apparatus for transmitter for universal garage door opener
- Patent number 5,564,101
- Issue date Oct 8, 1996
- Universal Devices
- Eric Eisfeld
- G07 - CHECKING-DEVICES