Patents by Inventor James L. Halstrum

James L. Halstrum 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).

  • Remote switch control
    Patent number: 4221946
    Abstract: A switching arrangement comprises a support plate, a slider mounted on the support plate, with guide means on the support plate to constrain movement of the slider, operating means are operable upon the slider to cause movement thereof relative to the support plate. The slider is arranged to engage a switch operating device and cause actuation thereof.
    Type: Grant
    Filed: November 16, 1978
    Date of Patent: September 9, 1980
    Inventor: James L. Halstrum