Granted Patent
Utility
US 6,691,603 · App. 10/029,266
Implement pressure control for hydraulic circuit
Inventors:
James D. Linerode, Aleksandar Egelja
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Dec 28, 2001
Inventors
James D. Linerode
Aleksandar Egelja
Assignees (at issue)
Caterpillar Inc.
Shin Caterpillar Mitsubishi 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.