Granted Patent
Utility
US 4,979,644 · App. 07/311,701
Rate-controlled gravity drip delivery apparatus
Inventors:
Jack E. Meyer, Thomas C. Thompson, Tamera L. Clark, Andrew P. Johnson, Don M. Killman
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Feb 15, 1989
Inventors
Jack E. Meyer
Thomas C. Thompson
Tamera L. Clark
Andrew P. Johnson
Don M. Killman
Assignee (at issue)
Quest Medical, 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.