Granted Patent
Utility
US 6,655,136 · App. 10/024,312
System and method for accumulating hydraulic fluid
Inventors:
Bradford J. Holt, John J. Krone, Andrew H. Nippert
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Dec 21, 2001
Inventors
Bradford J. Holt
John J. Krone
Andrew H. Nippert
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.