Patents by Inventor Albert E. Boyd

Albert E. Boyd has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4034167
    Abstract: A telephone switch retaining device comprising an adjustable band surrounding the intermediate portion of a telephone handset of the type having the dial mechanism therein, a depressing member carried on the band in registration with the outwardly biased line connecting switch to depress such switch for disconnection of the line circuit and connection of the signal circuit, and to hold such switch depressed when the band is fastened in place until such time as a signal is transmitted through the signal circuit and it is desired to release the outwardly biased switch for connection of the line circuit. The band may then be adjusted to a releasing position whereby the depressing member moves out of depressing engagement with the outwardly biased switch enabling it to move outwardly to its line connected position.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: July 5, 1977
    Inventor: Albert E. Boyd