Granted Patent
Utility
US 5,188,403 · App. 07/692,205
Catch for door latch
Inventor:
John P. Anderson
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: Apr 26, 1991
Inventor
John P. Anderson
Assignee (at issue)
Hartwell Corporation
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.