Granted Patent
Utility
US 6,790,238 · App. 10/205,874
Ultra low friction sheath for prosthetics
Inventor:
James Jay Martin
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Jul 25, 2002
Inventor
James Jay Martin
Assignee (at issue)
Knit-Rite, 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.