Granted Patent
Utility
US 4,553,311 · App. 06/564,266
Chuck handling device
Inventor:
Louis J. Medico
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Dec 22, 1983
Inventor
Louis J. Medico
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.