Granted Patent
Utility
US 6,733,041 · App. 10/408,622
Height adjuster or adjustable turning loop
Inventors:
David R. Arnold, Richard A. Boelstler, Robert J. Desmarais, Markell Seitzman
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Apr 7, 2003
Inventors
David R. Arnold
Richard A. Boelstler
Robert J. Desmarais
Markell Seitzman
Assignee (at issue)
KEY SAFETY SYSTEMS, 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.