Patents Assigned to A. G. Custom Machine Co. Inc.
  • Patent number: 4731047
    Abstract: An apparatus for the production of frames for filters from a continuing reel of framestock, each frame having a given length and width determined by a preset cutting and corner notching function and each frame having a prefolded cross section or a pinched cross section, said frames made to accommodate filter material of the type normally used to filter air.
    Type: Grant
    Filed: July 21, 1986
    Date of Patent: March 15, 1988
    Assignee: A. G. Custom Machine Co. Inc.
    Inventor: David R. Lobb