Granted Patent
Utility
US 5,889,092 · App. 08/500,819
Method of modifying the rheological properties of latex paint
Inventors:
Reuben H. Grinstein, Michael S. Wiggins
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jul 10, 1995
Inventors
Reuben H. Grinstein
Michael S. Wiggins
Assignee (at issue)
Henkel Limited
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.