Patents by Inventor Gary Castle

Gary Castle 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).

  • Tape wiper
    Patent number: 4521934
    Abstract: A device for cleaning the surfaces of a generally flat tape as the tape is wound into a tape cartridge. Spring-loaded jaws engage opposite sides of the tape and each jaw is provided with a scraping edge adjacent the tape to strip debris from the tape as it is rewound into the tape cartridge. The tips of the jaws interlock to prevent inadvertent release of the device from the tape. The device is removable from the tape whenever desired.
    Type: Grant
    Filed: November 25, 1982
    Date of Patent: June 11, 1985
    Inventor: Gary Castle