IP Library › Granted Patent US 4,942,741
Granted Patent Utility
US 4,942,741 · App. 07/374,821

Refrigerant recovery device

Inventors: John P. Hancock, Ralph A. McClelland
Patented Case View Patent ↗
Granted: Jul 24, 1990 Filed: Jul 3, 1989
Inventors
John P. Hancock
Ralph A. McClelland

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Quick Facts
Patent No.
US 4,942,741
App. No.
07/374,821
Filed
1989-07-03
Granted
1990-07-24
Kind
A