Patents by Inventor Els Maehr

Els Maehr 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).

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    Patent number: D275864
    Type: Grant
    Filed: August 4, 1981
    Date of Patent: October 9, 1984
    Inventors: Ruedi Zwissler, Els Maehr
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    Patent number: D281081
    Type: Grant
    Filed: September 15, 1981
    Date of Patent: October 22, 1985
    Inventors: Ruedi Zwissler, Els Maehr