Granted Patent
Utility
US 5,400,744 · App. 08/228,738
Leakproof locking sterile water valve system
Inventors:
Michael A. Coiro, Sr., Dale Murray, Frank J. Herdt
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Apr 18, 1994
Inventors
Michael A. Coiro, Sr.
Dale Murray
Frank J. Herdt
Assignee (at issue)
Allentown Caging Co., 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.