Granted Patent
Utility
US 4,322,224 · App. 06/202,175
Spray absorber control system and method
Inventor:
Alfred H. Roth
Patented Case
View Patent ↗
Granted: Mar 30, 1982
Filed: Oct 29, 1980
Inventor
Alfred H. Roth
Assignee (at issue)
General Electric Company
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.