Granted Patent
Utility
US 5,248,550 · App. 07/668,288
Encapsulation of thermoplastic particles for production of composites
Inventors:
Russell Turpin, Anthony Green
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Mar 12, 1991
Inventors
Russell Turpin
Anthony Green
Assignee (at issue)
Lockheed 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.