Granted Patent
Utility
US 4,320,694 · App. 06/091,674
Hydraulic manifold assembly
Inventors:
Charles Carr, Kevin G. Forster
Patented Case
View Patent ↗
Granted: Mar 23, 1982
Filed: Oct 4, 1979
Inventors
Charles Carr
Kevin G. Forster
Assignee (at issue)
Caterpillar Tractor Co.
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.