Granted Patent
Utility
US 5,440,477 · App. 08/056,216
Modular bottle-mounted gas management system
Inventors:
Roderick G. Rohrberg, Russell D. Young, Timothy K. Rohrberg
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Apr 30, 1993
Inventors
Roderick G. Rohrberg
Russell D. Young
Timothy K. Rohrberg
Assignee (at issue)
Creative Pathways, 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.