Patents by Inventor James David McMaster

James David McMaster 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).

  • Secret compartment case
    Patent number: 4113332
    Abstract: A secret compartment case having a flexible housing, an inner drawer and an outer drawer, the flexible housing having a release member formed therewith for operatively connecting the inner drawer with the housing, the inner drawer being releasable from the housing to allow movement from a secured to an unsecured position when the outer drawer is moved from the shut position.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: September 12, 1978
    Inventor: James David McMaster