Granted Patent
Utility
US 4,604,689 · App. 06/485,557
Bus repeater
Inventor:
John P. Burger
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Apr 15, 1983
Inventor
John P. Burger
Assignee (at issue)
Convergent.io Technologies Inc.
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.