Granted Patent
Utility
US 4,856,887 · App. 07/033,480
Lightweight silicon carbide mirror
Inventors:
Jason M. Wakugawa, Lawrence S. Gresko, Kenneth M. Brown
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Apr 1, 1987
Inventors
Jason M. Wakugawa
Lawrence S. Gresko
Kenneth M. Brown
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.