Granted Patent
Utility
US 4,570,668 · App. 06/571,231
Flow dividing valve
Inventors:
Thomas A. Burke, Curtis H. Scheuerman
Patented Case
View Patent ↗
Granted: Feb 18, 1986
Filed: Jan 16, 1984
Inventors
Thomas A. Burke
Curtis H. Scheuerman
Assignee (at issue)
Parker-Hannifin 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.