Granted Patent
Utility
US 4,914,726 · App. 07/297,202
Mass velocity controller
Inventor:
Edward F. Burke
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Jan 17, 1989
Inventor
Edward F. Burke
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.