Granted Patent
Utility
US 6,000,251 · App. 08/138,634
Computer physical security device
Inventors:
William Murray, Stewart R. Carl, Arthur H. Zarnowitz
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Oct 15, 1993
Inventors
William Murray
Stewart R. Carl
Arthur H. Zarnowitz
Assignee (at issue)
ACCO BRANDS 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.