Granted Patent
Utility
US 4,828,299 · App. 07/033,405
Latch
Inventor:
L. Richard Poe
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Mar 31, 1987
Inventor
L. Richard Poe
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.