Granted Patent
Utility
US 5,047,569 · App. 07/548,483
Method of producing polysilane compounds
Inventor:
Bruce C. Berris
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Jul 3, 1990
Inventor
Bruce C. Berris
Assignee (at issue)
Ethyl 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.