Patents Assigned to American/Durein Company
  • Patent number: 4018431
    Abstract: A separating device is provided for multiple layer business forms which consist of long, super-imposed webs with perforations thereon which enable one set of forms to be retrieved as individual sheets while another set of forms is separated as a continuous, zig-zag web. The margin perforations may be removed from one or both sheets.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: April 19, 1977
    Assignee: American/Durein Company
    Inventor: Marlin Alios Schueler
  • Patent number: 3991924
    Abstract: A simplified burster mechanism for perforated forms is provided wherein the burster can be adjusted to separate forms of different sizes in a simplified manner.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: November 16, 1976
    Assignee: American/Durein Company
    Inventor: Marlin A. Schueler
  • Patent number: 3937377
    Abstract: A chopper for severed margins of multi-folded paper is provided wherein the margins are slit off the sheet and then chopped into small pieces which occupy a minimum amount of space and which present a simplified disposal problem.
    Type: Grant
    Filed: October 11, 1974
    Date of Patent: February 10, 1976
    Assignee: American/Durein Company
    Inventor: Marlin A. Schueler
  • Patent number: RE30398
    Abstract: A simplified burster mechanism for perforated forms is provided wherein the burster can be adjusted to separate forms of different sizes in a simplified manner.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: September 9, 1980
    Assignee: American/Durein Company
    Inventor: Marlin A. Schueler