Granted Patent
Utility
US 4,705,961 · App. 06/820,590
Programmable sweep generator
Inventors:
Walter William Ainsworth, Arthur J. Metz
Patented Case
View Patent ↗
Granted: Nov 10, 1987
Filed: Jan 21, 1986
Inventors
Walter William Ainsworth
Arthur J. Metz
Assignee (at issue)
Tektronix, 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.