Granted Patent
Utility
US 4,392,803 · App. 06/274,987
Stick confection extraction apparatus
Inventors:
Stephen D. Cross, Elmer F. Frost, Jr., David N. Anderson
Patented Case
View Patent ↗
Granted: Jul 12, 1983
Filed: Jun 18, 1981
Inventors
Stephen D. Cross
Elmer F. Frost, Jr.
David N. Anderson
Assignee (at issue)
FMC 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.