Granted Patent
Utility
US 4,642,038 · App. 06/801,438
Continuous in situ fiberization substrate material mechanism
Inventor:
Nathan R. Kramer
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: Nov 25, 1985
Inventor
Nathan R. Kramer
Assignee (at issue)
Hughes Aircraft Company
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.