Patents by Inventor Herbert Weindanz

Herbert Weindanz 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).

  • Package for single film stack
    Patent number: 4303160
    Abstract: A package which loads a stack of single films into an internally bladed daylight cassette, has a waisted middle part accommodating the stack, a strip for retaining the package in the cassette, a transverse weld following the retaining strip, a pull tab for pulling the package out of the cassette, a transverse weld in the pull tab and a pair of longitudinal welds in the upper and lower side of the pull tab with widened portions in the zone where the cassette blades enter, which welds continue to the transverse weld.
    Type: Grant
    Filed: July 5, 1978
    Date of Patent: December 1, 1981
    Assignee: N.V. Optische Industrie "De Oude Delft"
    Inventors: Herbert Weindanz, Horst Auf dem Graben