Granted Patent
Utility
US 4,244,920 · App. 06/101,699
Specimen collection assembly
Inventors:
James G. Manschot, Lawrence A. Salvadori, Byron L. Mather
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Dec 10, 1979
Inventors
James G. Manschot
Lawrence A. Salvadori
Byron L. Mather
Assignee (at issue)
Plastronics, 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.