Granted Patent
Utility
US 5,872,428 · App. 08/783,295
Cavity coupling means rotatable in response to linear movement of an actuator
Inventor:
David Ward Carr
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jan 10, 1997
Inventor
David Ward Carr
Assignee (at issue)
EEV Limited
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.