Granted Patent
Utility
US 4,491,606 · App. 06/492,545
Spacer for preventing shorting between conductive plates
Inventors:
Richard S. Rosler, George Engle
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: May 9, 1983
Inventors
Richard S. Rosler
George Engle
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.