IP Library › Granted Patent US 4,607,491
Granted Patent Utility
US 4,607,491 · App. 06/694,412

Cooling trap for vacuum

Inventors: Hajime Ishimaru, Masao Miyamoto, Shojiro Komaki
Patented Case View Patent ↗
Granted: Aug 26, 1986 Filed: Jan 24, 1985
Inventors
Hajime Ishimaru
Masao Miyamoto
Shojiro Komaki

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Quick Facts
Patent No.
US 4,607,491
App. No.
06/694,412
Filed
1985-01-24
Granted
1986-08-26
Kind
A