Granted Patent
Utility
US 4,875,867 · App. 07/302,841
Extension handle for a circuit board injector/ejector mechanism
Inventor:
Kee Kean Hoo
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Jan 26, 1989
Inventor
Kee Kean Hoo
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.