Granted Patent
Utility
US 4,569,090 · App. 06/614,552
Disposable urine specimen collecting device
Inventor:
Louis Muller
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: May 29, 1984
Inventor
Louis Muller
Assignee (at issue)
Davstar Industries, 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.