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Patent applications and USPTO patent grants for Heitschel; Carl.The latest application filed is for "coding system for multiple transmitters and a single receiver".
Patent | Date |
---|---|
Coding system for multiple transmitters and a single receiver Grant RE37,986 - Heitschel , et al. February 11, 2 | 2003-02-11 |
Coding system for multiple transmitters and a single receiver for a garage door opener Grant RE36,703 - Heitschel , et al. May 16, 2 | 2000-05-16 |
Coding system for multiple transmitters and a single receiver for a garage door opener Grant RE35,364 - Heitschel , et al. October 29, 1 | 1996-10-29 |
Coding system for multiple transmitters and a single receiver for a garage door opener Grant 4,750,118 - Heitschel , et al. June 7, 1 | 1988-06-07 |
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