Granted Patent
Utility
US 4,254,072 · App. 05/943,855
Process for high modulus polymeric materials
Inventors:
Giancarlo Capaccio, Francis S. Smith, Ian MacMillan Ward
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Sep 19, 1978
Inventors
Giancarlo Capaccio
Francis S. Smith
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.