Granted Patent
Utility
US 5,179,803 · App. 07/793,469
Operating mechanism for a roof window
Inventor:
Robert F. Lense
Patented Case
View Patent ↗
Granted: Jan 19, 1993
Filed: Nov 18, 1991
Inventor
Robert F. Lense
Assignee (at issue)
ARTERICA INC.
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.