Granted Patent
Utility
US 6,115,252 · App. 09/343,459
Heat sink device for electronic devices
Inventors:
Keiichiro Ohta, Yuichi Furukawa
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Jun 30, 1999
Inventors
Keiichiro Ohta
Yuichi Furukawa
Assignee (at issue)
Showa Aluminum Corp.
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.