Granted Patent
Utility
US 4,155,093 · App. 05/824,252
Method and apparatus for generating charged particles
Inventors:
Richard A. Fotland, Jeffrey J. Carrish
Patented Case
View Patent ↗
Granted: May 15, 1979
Filed: Aug 12, 1977
Inventors
Richard A. Fotland
Jeffrey J. Carrish
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.