Granted Patent
Utility
US 5,617,830 · App. 08/507,829
Prestroke controller for engine fuel injection pump
Inventors:
Hiroshi Ishiwata, Tohru Yokota, Mitsuaki Kobayashi, Tsutomu Katori, Teruo Ohsawa
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Jul 27, 1995
Inventors
Hiroshi Ishiwata
Tohru Yokota
Mitsuaki Kobayashi
Tsutomu Katori
Teruo Ohsawa
Assignee (at issue)
Zexel GmbH
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.