IP Library Granted Patent US 4,659,899
Granted Patent Utility
US 4,659,899 · App. 06/833,575

Vacuum-compatible air-cooled plasma device

Inventors: David G. Welkie, Robert L. Gerlach
Patented Case View Patent ↗
Granted: Apr 21, 1987 Filed: Feb 26, 1986
Inventors
David G. Welkie
Robert L. Gerlach
Assignee (at issue)
PerkinElmer, Inc.

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Quick Facts
Patent No.
US 4,659,899
App. No.
06/833,575
Filed
1986-02-26
Granted
1987-04-21
Kind
A