Patents by Inventor Darrell E. Holland

Darrell E. Holland 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).

  • Safety lock for hand gun
    Patent number: D260548
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: September 1, 1981
    Inventor: Darrell E. Holland
  • Short rifle
    Patent number: D283042
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: March 18, 1986
    Inventors: Darrell E. Holland, William P. Holland
  • Long rifle
    Patent number: D283532
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: April 22, 1986
    Inventors: Darrell E. Holland, William P. Holland