Patents by Inventor Rudolf Stolpe

Rudolf Stolpe 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: 4332287
    Abstract: There is provided a rolling door construction which includes a plurality of spaced-apart elongated members, each having opposed longitudinal slots, and each slot in section having an enlarged internal portion and a neck portion which is narrower than the internal portion. The construction further includes a plurality of light-transmitting panels of uniform thickness, each panel having opposing side edges and opposing end edges, the two opposing side edges of each panel being received in the slots in two adjacent elongated members. There is also provided a plurality of spacer plate members, each spacer plate member having opposed edge beads received in the internal portions of two slots, the beads being too large to be withdrawn through the neck portions of the slots. The spacer plate members are arranged so that two of them are adjacent the end edges of each panel. Means are provided for restraining movement of the panels and the plate members longitudinally of the elongated members.
    Type: Grant
    Filed: May 13, 1980
    Date of Patent: June 1, 1982
    Assignee: Dynaflair Corporation Canada, Inc.
    Inventor: Rudolf Stolpe