Granted Patent
Utility
US 4,904,007 · App. 07/335,049
Releasing latch assembly for picnic coolers
Inventor:
David D. Woodruff
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Apr 7, 1989
Inventor
David D. Woodruff
Assignee (at issue)
Coleman Outdoor Products, Inc.
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.