Granted Patent
Utility
US 4,789,287 · App. 06/887,148
Through bolt connection for unilaterally accessible locations
Inventor:
Thanh Son Le
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Jul 17, 1986
Inventor
Thanh Son Le
Assignee (at issue)
Nixdorf Computer AG
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.