Patents Assigned to Royal Plastics Inc.
  • Patent number: 6216392
    Abstract: A window unit has a sliding sash which is moved latterly in the window frame as the sash is closed to compress weather stripping extending completely around the sash between the sash and a peripheral stop surface on the window frame. The sash is also tiltable as well as slidable.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: April 17, 2001
    Assignee: Royal Plastics Inc.
    Inventor: Anthony V. DiGinosa
  • Patent number: 6135510
    Abstract: A window lock for a slideable and tiltable window sash. The lock has a housing for attachment to a window unit to present a slideway extending transversely of the sliding movement of the window, and a locking member having a bolt at one end slideable in said housing slideway to move said bolt between a first maximum outwardly projecting sash locking position, a partially retracted sash sliding position for allowing vertical sash sliding movement, and a fully retracted sash tilting position.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: October 24, 2000
    Assignee: Royal Plastics Inc.
    Inventor: Anthony V. Diginosa
  • Patent number: D390732
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: February 17, 1998
    Assignee: Royal Plastics Inc.
    Inventor: Paul Nadar
  • Patent number: D394203
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: May 12, 1998
    Assignee: Royal Plastics Inc.
    Inventor: Paul Nadar
  • Patent number: D420895
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: February 22, 2000
    Assignee: Royal Plastics Inc.
    Inventor: Paul Nadar