Granted Patent
Utility
US 5,027,136 · App. 07/465,810
Method and apparatus for charged particle generation
Inventors:
Richard A. Fotland, Fred Miekka
Patented Case
View Patent ↗
Granted: Jun 25, 1991
Filed: Jan 16, 1990
Inventors
Richard A. Fotland
Fred Miekka
Assignee (at issue)
Dennison Manufacturing 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.