Granted Patent
Utility
US 5,557,894 · App. 08/387,076
Window assembly frame
Inventor:
Geoffrey C. Card
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Feb 13, 1995
Inventor
Geoffrey C. Card
Assignee (at issue)
Stectus Systems-Midwest
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.