Granted Patent
Utility
US 6,293,107 · App. 09/297,683
Thermoelectric cooling system
Inventors:
Hiroaki Kitagawa, Munekazu Maeda, Osamu Nakagawa, Shigetomi Tokunaga
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: May 6, 1999
Inventors
Hiroaki Kitagawa
Munekazu Maeda
Osamu Nakagawa
Shigetomi Tokunaga
Assignee (at issue)
Matsushita Refrigeration Company
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.