Granted Patent
Utility
US 4,553,801 · App. 06/422,049
Locking and polarizing header
Inventor:
Robert B. Zajeski
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Sep 23, 1982
Inventor
Robert B. Zajeski
Assignee (at issue)
Panduit Corp.
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.