Patents by Inventor Per Hektoen

Per Hektoen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4528054
    Abstract: The present invention provides a method for making overhead projection transparencies. According to the invention there is arranged a first web of a thin transparent plastic film on a second web of paper, said first web being attached along one longitudinal edge thereof by means of a line of adhesive, the upper face of the first web having a writable surface and the lower face thereof having a non-writable surface. In the longitudinal direction of the webs on the first of two sections of said writable surface of the first web, information may be written, e.g. in the form of diagrams, text etc. to be shown by overhead projection, while leaving the second section blank.
    Type: Grant
    Filed: May 30, 1984
    Date of Patent: July 9, 1985
    Assignee: Moore Business Forms, Inc.
    Inventors: Torbjorn Stahl, Per Hektoen, Oystein Karlsen
  • Patent number: 4236731
    Abstract: Improved continuous stationery assemblies are disclosed which are capable of being readily converted into binders, folder covers, and the like, and which are adapted to have personalized matter printed or typed on the webs of the assemblies. An improved method of making binders, folder covers and the like from continuous stationery assemblies is also disclosed.These continuous stationery assemblies comprise at least front and rear continuous webs. Each of the front and rear webs has at least one line of marginal feed apertures, lines of transverse perforations, a line of adhesive parallel and adjacent to one of the lines of marginal feed apertures, and a line of weakening so as to enable one of the webs to be folded over the other web to form a binder, folder cover and the like. Additional webs may be included in the assemblies and arranged so as to constitute additional binder sheets.
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: December 2, 1980
    Assignee: Moore Business Forms, Limited
    Inventor: Per Hektoen