Granted Patent
Utility
US 6,460,294 · App. 09/579,601
Window and door opening and closing mechanism
Inventor:
Peter Harkins
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: May 26, 2000
Inventor
Peter Harkins
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.