Granted Patent
Utility
US 5,925,868 · App. 08/920,036
Method and apparatus for determining transitions between relatively high and low levels in an input signal
Inventors:
Thomas C. Arends, Randy D. Elliott
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Aug 28, 1997
Inventors
Thomas C. Arends
Randy D. Elliott
Assignee (at issue)
Spectra-Physics Scanning Systems, 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.