Patents Assigned to Mastic Corporation
  • Counterbalance lock mechanism for a window assembly
    Patent number: 4446654
    Abstract: An improved counterbalance lock mechanism for a window assembly which includes a manually turned lock pin fitted within a stationary housing member located in the window jamb. The lock pin may be rotated into a first position subjecting a slide block to the influence of the mechanism and a second position which isolates the slide block from the counterbalancing effect.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: May 8, 1984
    Assignee: Mastic Corporation
    Inventors: William K. Schoolman, George A. Griman, Frank D. Andrews
  • Reinforced window assembly
    Patent number: 4428156
    Abstract: A sash assembly for a glazing panel. The sash members of the assembly are formed with a concave inner surface which contains a rigid reinforcement member.
    Type: Grant
    Filed: October 2, 1981
    Date of Patent: January 31, 1984
    Assignee: Mastic Corporation
    Inventors: Douglas N. Malm, James D. Hall
  • Trailer skirting
    Patent number: 4043088
    Abstract: Skirting which is utilized around the base of a mobile home or a similar statically supported trailer and which includes a plurality of vertical panels interlocked at corresponding overlapping side edges in a manner which prevents separation of the panels during their vibratory movement due to the wind.
    Type: Grant
    Filed: March 6, 1974
    Date of Patent: August 23, 1977
    Assignee: Mastic Corporation
    Inventor: Edward L. Payton