Granted Patent
Utility
US 4,411,575 · App. 06/259,723
Sample transfer vessel
Inventor:
Mark C. Miller
Patented Case
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Granted: Oct 25, 1983
Filed: May 1, 1981
Inventor
Mark C. Miller
Assignee (at issue)
PerkinElmer, 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.