Patents Assigned to Product Technologies, Inc. c/o Pen-Ro Group
  • Method and apparatus for preventing dirt and moisture from entering firearms
    Patent number: 5105571
    Abstract: A method and apparatus for protecting firearms from dirt and moisture are disclosed. Light-weight plastic covers are used to seal the openings of a firearm such as the muzzle opening or the magazine well opening. These protective covers are easily removable by simple manual operations. This muzzle cover can also be removed by actually firing the firearm, while imparting no significant deflection to the projectile.
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: April 21, 1992
    Assignee: Product Technologies, Inc. c/o Pen-Ro Group
    Inventors: Anthony E. Kinchin, Thomas Angelini