Granted Patent
Utility
US 5,594,975 · App. 08/388,192
Adjustable tool handle
Inventor:
Jack P. Christen
Patented Case
View Patent ↗
Granted: Jan 21, 1997
Filed: Feb 13, 1995
Inventor
Jack P. Christen
Assignee (at issue)
White Mop Wringer Company
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.