Granted Patent
Utility
US 4,353,868 · App. 06/268,217
Specimen collecting device
Inventors:
Joel A. Joslin, Marshall T. Dennison
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: May 29, 1981
Inventors
Joel A. Joslin
Marshall T. Dennison
Assignee (at issue)
Sherwood Medical 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.