Patents by Inventor Carroll L. Marcusen

Carroll L. Marcusen 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).

  • Installable write-protect button for floppy disk
    Patent number: 5331499
    Abstract: A write-protect button is designed to be retrofitted into an intact floppy disk which has been constructed with a write-protect assembly but without the write-protect button. The present invention also includes a method of retrofitting the write-protect button into an intact floppy disk without dismantling the disk.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: July 19, 1994
    Inventor: Carroll L. Marcusen
  • Adhesive label separator
    Patent number: 5071030
    Abstract: An adhesive label separator has an edge for abruptly changing the path of the backing paper to achieve separation of the label from its backing paper. A mechanism is provided for adjusting the height of the edge to accommodate different sizes of labels, and also to deactivate the separator. The height adjustment mechanism may be a pin and slot assembly, or it may be motor-driven. A sensor mechanism is provided for sensing whether the label has been removed from the paper. The label separator is suitable for use with typewriters and computer printing devices.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: December 10, 1991
    Inventor: Carroll L. Marcusen