Patents by Inventor John L. Ramsey

John L. Ramsey 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).

  • Prtotective packaging for valuable articles
    Patent number: 5590779
    Abstract: A tamper-evident packaging system for shipping and viewing valuable items. A two component rigid plastic container provides a cavity for containing the item and a filler material with a transparent area in the container wall for viewing the item. A tamper-evident thin-film tape is wrapped about the container to hold the container components together and a shrink wrap plastic coating is applied to the container and tamper-evident tape to enhance the tamper-evident function of the tape.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: January 7, 1997
    Inventor: John L. Ramsey
  • Programmable variable length high speed digital delay line
    Patent number: 4016511
    Abstract: A variable length, digital delay line apparatus utilizing a set of progressively increasing delay devices in conjunction with a set of digitally selectable switching units to vary the delay times over a predetermined delay range.
    Type: Grant
    Filed: December 19, 1975
    Date of Patent: April 5, 1977
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: John L. Ramsey, Allen E. Post