Granted Patent
Utility
US 4,525,564 · App. 06/217,511
High modulus, low creep strain polyalkene polymer materials
Inventors:
Giancarlo Capaccio, Ian MacMillan Ward
Patented Case
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Granted: Jun 25, 1985
Filed: Dec 17, 1980
Inventors
Giancarlo Capaccio
Ian MacMillan Ward
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.