Patents Assigned to Keystone Manufacturing Co., Inc.
  • Apparatus for evacuating bags
    Patent number: 6971417
    Abstract: An apparatus for evacuation of a storage bag is disclosed. The apparatus comprises a case, a flange mounted on the case, a fan, and a motor operatively arranged to drive said fan.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: December 6, 2005
    Assignee: Keystone Manufacturing Co., Inc.
    Inventor: Leonard A. Deni
  • Water filtration system
    Patent number: 5957339
    Abstract: This invention provides an easy to carry unit that contains a water filtration and a water carbonation chamber. The water after filtration more easily absorbs CO.sub.2 and allows for a more readily provided source of filtered carbonated water. The unit utilizes off-the-shelf carbonation cartridges and has a simple hose attachment to a conventional home faucet.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: September 28, 1999
    Assignee: Keystone Manufacturing Co., Inc.
    Inventors: Joseph A. Deni, Leonard A. Deni
  • Electric grill
    Patent number: D407598
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: April 6, 1999
    Assignee: Keystone Manufacturing Co., Inc.
    Inventors: Leonard A. Deni, Joseph A. Deni