Granted Patent
Utility
US 4,432,767 · App. 05/852,058
Tubing injection site guard
Inventors:
Donn D. Lobdell, Thomas E. Goyne
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Nov 16, 1977
Inventors
Donn D. Lobdell
Thomas E. Goyne
Assignee (at issue)
Cobe Laboratories, 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.