Electronic transmitter device for use in the opening or closing of garage doors

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Description

FIG. 1 is a perspective view of the device taken from one end thereof, and

FIG. 2 is a perspective view of the device taken from the other end thereof.

Referenced Cited
U.S. Patent Documents
3289085 November 1966 Leland
3906369 September 1975 Pitman
D212003 August 1968 Roberts
D212005 August 1968 Roberts
D215661 October 1969 Richards
Patent History
Patent number: D243537
Type: Grant
Filed: Aug 4, 1975
Date of Patent: Mar 1, 1977
Assignee: Mallard Manufacturing Corporation (Sterling, IL)
Inventor: John F. Wahl (Sterling, IL)
Primary Examiner: Bernard Ansher
Attorney: Carl C. Batz
Application Number: 5/601,351
Classifications
Current U.S. Class: D14/95
International Classification: D1403;