Granted Patent
Utility
US 5,836,354 · App. 08/731,913
Hydraulic pressure controller and reservoir water-proofing structure
Inventors:
Tsutomu Amano, Naotoshi Tamai, Takashi Aoki, Takaomi Shirase
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Oct 22, 1996
Inventors
Tsutomu Amano
Naotoshi Tamai
Takashi Aoki
Takaomi Shirase
Assignee (at issue)
Nissin Nogyo Co., Ltd.
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.