Granted Patent
Utility
US 4,611,330 · App. 06/665,299
Electron beam vaporizer
Inventors:
Volker Bauer, Horst Ranke
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Oct 26, 1984
Inventors
Volker Bauer
Horst Ranke
Assignee (at issue)
Hans Zapf
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.