Granted Patent
Utility
US 4,800,463 · App. 06/805,510
Circuit board barrier guide
Inventors:
Joerg Ferchau, Kenneth A. Kotyuk
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Dec 5, 1985
Inventors
Joerg Ferchau
Kenneth A. Kotyuk
Assignee (at issue)
Tandem Computers Incorporated
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.