Granted Patent
Utility
US 4,777,441 · App. 07/029,281
Rotating frame zeugmatography
Inventor:
David L. Foxall
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Mar 23, 1987
Inventor
David L. Foxall
Assignee (at issue)
Varian, 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.