Granted Patent
Utility
US 4,557,657 · App. 06/538,411
Article handling apparatus and method
Inventors:
Donald M. Olson, Norman L. Jackson, Jerry E. Tong
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Oct 5, 1983
Inventors
Donald M. Olson
Norman L. Jackson
Jerry E. Tong
Assignee (at issue)
Advanced Semiconductor Materials America, 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.