Granted Patent
Utility
US 4,880,001 · App. 07/145,140
Process for controlling the photocoagulation of biological tissue
Inventor:
Wolfram Weinberg
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Jan 19, 1988
Inventor
Wolfram Weinberg
Assignee (at issue)
Promed Technology, 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.