Granted Patent
Utility
US 4,894,522 · App. 07/123,356
Interface apparatus
Inventor:
Randy D. Elliott
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Nov 19, 1987
Inventor
Randy D. Elliott
Assignee (at issue)
Spectra-Physics, 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.