Granted Patent
Utility
US 5,005,701 · App. 07/582,112
Strengthening strut for rectangular container
Inventor:
Daniel P. Dutcher
Patented Case
View Patent ↗
Granted: Apr 9, 1991
Filed: Sep 12, 1990
Inventor
Daniel P. Dutcher
Assignee (at issue)
Waldorf 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.