Patents by Inventor Frank V. Idell

Frank V. Idell 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).

  • Means for mounting a pen on a chart recorder
    Patent number: 4633275
    Abstract: A recording instrument pen and pen arm and the combination thereof, the mounting means comprising a rearwardly extending channel-defining member associated with said pen and including a slot having two widthwise segments at lengthwise positions thereof, the forward segment being of lesser width than the rearward segment, the forward tip of the pen arm being adapted to be received in said slot and to be securely positioned by engagement at at least four spaced-apart positions therein.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: December 30, 1986
    Assignee: Graphic Controls Corporation
    Inventors: James R. Hubbard, Frank V. Idell