Granted Patent
Utility
US 4,492,258 · App. 06/467,904
Sterile urine specimen collection
Inventors:
Joseph Lichtenstein, Vincent L. Vaillancourt
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Feb 18, 1983
Inventors
Joseph Lichtenstein
Vincent L. Vaillancourt
Assignee (at issue)
Whitman Medical 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.