Patents by Inventor Donald L. Ramsay

Donald L. Ramsay 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).

  • Patent number: 4694369
    Abstract: The invention herein discloses a separable web or ribbon container wherewith the web or ribbon remains within the separated container halves so that additions to or deletions from the web may be made without removing the spools on which the web is wound for transport back and forth between the halves.
    Type: Grant
    Filed: March 14, 1985
    Date of Patent: September 15, 1987
    Inventor: Donald L. Ramsay