Granted Patent
Utility
US 5,353,454 · App. 08/110,890
Adjustable lumbar support for flotation systems
Inventors:
Milton A. Callaway, Charles E. Steed, Lynn D. Larson
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Aug 24, 1993
Inventors
Milton A. Callaway
Charles E. Steed
Lynn D. Larson
Assignee (at issue)
Simmons Holding Company, LLC.
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.