Granted Patent
Utility
US 5,190,328 · App. 07/734,622
Carpet stretching tool
Inventor:
Martin L. Anderson
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Jul 23, 1991
Inventor
Martin L. Anderson
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.