Patents by Inventor Robert C. Cheasick

Robert C. Cheasick 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).

  • Plastic tape reel
    Patent number: 4184650
    Abstract: Recording tape reel having a plastic hub of I-beam construction and a pair of plastic flanges interconnected by an annular array of radially-elongated lugs through slots in the central web of the hub. Clearances permit the hub to be compressed under forces applied by a wound tape without substantially transmitting those forces to the flanges.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: January 22, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Norman E. Nelson, Robert C. Cheasick