Granted Patent
Utility
US 5,808,680 · App. 08/603,628
Method of transmitting video signals, and picture-transmission system for field-of-operation illuminating fixtures
Inventor:
Markus Steckhan
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Feb 20, 1996
Inventor
Markus Steckhan
Assignee (at issue)
Heraeus Med GmbH
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.