Granted Patent
Utility
US 5,874,698 · App. 08/907,700
Mechanical interlock assembly
Inventor:
Todd Collis
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Aug 8, 1997
Inventor
Todd Collis
Assignee (at issue)
Reltec Corporation
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.