Granted Patent
Utility
US 5,422,436 · App. 08/026,456
Control cabinet
Inventor:
Jurgen Zachrai
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: Mar 3, 1993
Inventor
Jurgen Zachrai
Assignee (at issue)
Rittal-Werk Rudolf Loh GmbH
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.