Granted Patent
Utility
US 6,161,584 · App. 09/431,747
High energy loss fluid control device
Inventors:
Kent Hemme, Allan K. Shea
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Nov 1, 1999
Inventors
Kent Hemme
Allan K. Shea
Assignee (at issue)
Copes-Vulcan, Inc.
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.