Granted Patent
Utility
US 4,338,932 · App. 06/204,768
Method and apparatus for fluid flow control
Inventors:
Heinz W. Georgi, Wallace L. Knute, Richard L. Foreman
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Nov 7, 1980
Inventors
Heinz W. Georgi
Wallace L. Knute
Richard L. Foreman
Assignee (at issue)
IVAC 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.