Granted Patent
Utility
US 5,499,581 · App. 08/249,522
Molded article having integral displaceable member or members and method of use
Inventor:
Daniel P. Sutula, Jr.
Patented Case
View Patent ↗
Granted: Mar 19, 1996
Filed: May 26, 1994
Inventor
Daniel P. Sutula, Jr.
Assignee (at issue)
The Ensign-Bickford Company
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.