Granted Patent
Utility
US 5,330,213 · App. 07/942,553
Fifth wheel device for rackable switchgear units
Inventor:
Michael L. Peruso
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Sep 9, 1992
Inventor
Michael L. Peruso
Assignee (at issue)
SIEMENS ENERGY & AUTOMATION, 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.