Granted Patent
Utility
US 4,829,162 · App. 06/812,864
Maintenance of uniform optical window properties
Inventors:
Steven C. Soloski, Lowell M. Hobrock
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Dec 23, 1985
Inventors
Steven C. Soloski
Lowell M. Hobrock
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.