Granted Patent
Utility
US 4,882,889 · App. 07/161,025
Composite structures
Inventors:
Christopher L. Healy, Ken Rankin
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Feb 26, 1988
Inventors
Christopher L. Healy
Ken Rankin
Assignee (at issue)
Monier, Inc.
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.