IP Library Granted Patent US 4,980,556
Granted Patent Utility
US 4,980,556 · App. 07/492,428

Apparatus for generating high currents of negative ions

Inventors: John P. O'Connor, Nicholas R. White
Patented Case View Patent ↗
Granted: Dec 25, 1990 Filed: Mar 6, 1990
Inventors
John P. O'Connor
Nicholas R. White
Assignee (at issue)
Ionex/HEI Corporation

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Quick Facts
Patent No.
US 4,980,556
App. No.
07/492,428
Filed
1990-03-06
Granted
1990-12-25
Kind
A