Patents by Inventor Marc K. Krebs

Marc K. Krebs 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).

  • Drop-in barrel for recoil operated pistols
    Patent number: 5969285
    Abstract: A drop-in barrel is provided that utilizes an extended locking recess and a spring clip retained within the locking recess to reduce the engagement tolerance between the slide and barrel of a recoil pistol, thereby achieving the performance necessary for competitive shooting.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: October 19, 1999
    Inventor: Marc K. Krebs
  • Accessory rail
    Patent number: D509669
    Type: Grant
    Filed: February 24, 2004
    Date of Patent: September 20, 2005
    Inventor: Marc K. Krebs