Granted Patent
Utility
US 5,208,310 · App. 07/807,364
Method for preparation of very high molecular weight polycarborane siloxanes
Inventor:
Thomas K. Dougherty
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Dec 16, 1991
Inventor
Thomas K. Dougherty
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.