Patents by Inventor Edwin L. Rule

Edwin L. Rule 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).

  • Cellular core structural panel components, structural panel formed therefrom and method of making
    Patent number: 4197341
    Abstract: Disclosed is a cellular core structural panel, comprising a plurality of bonded stacked segments, each segment being formed from a sheet characterized by a top portion having repeating peaks and troughs and sidewalls integral with the troughs. The cut-to-length segments are successively aligned so that each peak contacts the trough of the segment above it to form a cellular core panel with integral face sheets formed from the sidewalls of each segment.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: April 8, 1980
    Assignee: Hexcel Corporation
    Inventor: Edwin L. Rule