Patents by Inventor Cal V. Drake

Cal V. Drake 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: 4306434
    Abstract: A key retainer or the like of specific curvilinear configuration wherein a first upper portion is provided with a specific hook-like shape so as to permit ease of releasable and captive association with a belt loop, a belt, or pocket recess or trousers or the like, wherein keys may be satisfactorily contained on a lower portion of the retainer in a facile manner and in a manner that allows ease of access.
    Type: Grant
    Filed: June 16, 1980
    Date of Patent: December 22, 1981
    Inventor: Cal V. Drake
  • Patent number: D266374
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: October 5, 1982
    Inventor: Cal V. Drake