Granted Patent
Utility
US 6,135,510 · App. 09/302,419
Egress window lock
Inventor:
Anthony V. Diginosa
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Apr 30, 1999
Inventor
Anthony V. Diginosa
Assignee (at issue)
Royal Plastic
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.