Granted Patent
Utility
US 5,000,544 · App. 07/469,558
Helmet system with optical display projection system including a cylindrical refractive surface
Inventor:
Christopher Staveley
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Mar 27, 1990
Inventor
Christopher Staveley
Assignee (at issue)
GEC-Marconi Ltd.
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.