Granted Patent
Utility
US 5,501,742 · App. 08/201,175
Method for dispensing solid rinse aids
Inventor:
Peter J. Fernholz
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Feb 24, 1994
Inventor
Peter J. Fernholz
Assignee (at issue)
ECOLAB 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.