Granted Patent
Utility
US 5,267,964 · App. 07/855,909
Fluid control device including automatic valve
Inventor:
Jeffrey A. Karg
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Mar 23, 1992
Inventor
Jeffrey A. Karg
Assignee (at issue)
Clintec Nutrition 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.