Granted Patent
Utility
US 6,443,537 · App. 09/808,955
Hydraulic actuator for an anti-lock braking system
Inventor:
Fumitoshi Koyama
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Mar 16, 2001
Inventor
Fumitoshi Koyama
Assignee (at issue)
DENSO 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.