Patents Assigned to Duniway Stockroom Corporation
  • Ionization vacuum pressure gauge
    Patent number: 6566884
    Abstract: There is described a vacuum gauge in which an anode grid defines an ionization volume directly into which electrons are injected where they collide with gas molecules and atoms to form ions. A collector electrode is mounted within the ionization volume.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: May 20, 2003
    Assignee: Duniway Stockroom Corporation
    Inventors: Sherman L. Rutherford, Ronald M. Paitich, Frederick P. Brechtel, Robert J. Espinosa