Granted Patent
Utility
US 5,440,778 · App. 08/316,179
Multiple purpose wringer
Inventor:
Joselito De Guzman
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Sep 30, 1994
Inventor
Joselito De Guzman
Assignee (at issue)
MICRONOVA MANUFACTURING, 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.