Granted Patent
Utility
US 5,117,435 · App. 07/603,128
Pressure regulation system for gas laser based on temperature of anode stem
Inventors:
Benjamin H. Cook, Jr., William P. Kolb
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Oct 25, 1990
Inventors
Benjamin H. Cook, Jr.
William P. Kolb
Assignee (at issue)
Coherent, 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.