Granted Patent
Utility
US 4,983,442 · App. 07/553,197
Composite article and method of making same
Inventors:
Tushar Patel, Richard E. Berg
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Jul 13, 1990
Inventors
Tushar Patel
Richard E. Berg
Assignee (at issue)
United Technologies Automotive
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.