Granted Patent
Utility
US 6,644,213 · App. 10/116,377
Mobile carriage
Inventor:
James C. Muth
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Apr 4, 2002
Inventor
James C. Muth
Assignee (at issue)
SPACESAVER CORPORATION
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.