Granted Patent
Utility
US 5,293,754 · App. 08/032,401
Liquid coolant circulating system
Inventor:
Tsukasa Mizuno
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Mar 12, 1993
Inventor
Tsukasa Mizuno
Assignee (at issue)
NEC CORPORATION
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.