Granted Patent
Utility
US 4,547,835 · App. 06/477,574
Mechanical locking device for electrical equipment
Inventors:
Marcel F. R. Pansaerts, Joseph M. F. Bogaert, Etienne K. A. Decolvenaer
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Mar 21, 1983
Inventors
Marcel F. R. Pansaerts
Joseph M. F. Bogaert
Etienne K. A. Decolvenaer
Assignee (at issue)
International Standard Electric 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.