Patents Assigned to P.H.-Tech Inc.
  • Patent number: 4262451
    Abstract: There is described a roller assembly which is adapted to be snapped into and out of a channel of a sliding frame closure which device is used to adjust the effective height of the closure relative to an aperture frame in which it is installed.
    Type: Grant
    Filed: April 27, 1979
    Date of Patent: April 21, 1981
    Assignee: P.H.-Tech, Inc.
    Inventor: Raymond Dallaire
  • Patent number: D250352
    Type: Grant
    Filed: March 22, 1977
    Date of Patent: November 21, 1978
    Assignee: P.H.-Tech Inc.
    Inventor: Raymond Dallaire
  • Patent number: D300664
    Type: Grant
    Filed: March 18, 1987
    Date of Patent: April 11, 1989
    Assignee: P.H. Tech. Inc.
    Inventors: Raymond Dallaire, Dominique Dallaire
  • Patent number: D301172
    Type: Grant
    Filed: February 3, 1987
    Date of Patent: May 16, 1989
    Assignee: P.H. Tech Inc.
    Inventors: Raymond Dallaire, Dominique Dallaire
  • Patent number: D301746
    Type: Grant
    Filed: February 3, 1987
    Date of Patent: June 20, 1989
    Assignee: P.H. Tech Inc.
    Inventors: Raymond Dallaire, Dominique Dallaire
  • Patent number: D308729
    Type: Grant
    Filed: November 21, 1988
    Date of Patent: June 19, 1990
    Assignee: P.H. Tech. Inc.
    Inventors: Raymond Dallaire, Dominique Dallaire
  • Patent number: D855831
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: August 6, 2019
    Assignee: P.H. Tech Inc.
    Inventor: Anne-Marie Desrosiers
  • Patent number: D872312
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: January 7, 2020
    Assignee: P.H. Tech Inc.
    Inventor: Anne-Marie Desrosiers