Granted Patent
Utility
US 4,264,254 · App. 06/105,112
Article transfer apparatus
Inventor:
Benjamin Jerming Chang
Patented Case
View Patent ↗
Granted: Apr 28, 1981
Filed: Dec 19, 1979
Inventor
Benjamin Jerming Chang
Assignee (at issue)
RCA 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.