Granted Patent
Utility
US 4,931,202 · App. 07/215,985
Detergent pellet composition and process therefor
Inventors:
Terrence Cotter, Theodore Anderson, Robert E. Gansser, Lewis R. Kryk, Theodore R. Rieple
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Jul 7, 1988
Inventors
Terrence Cotter
Theodore Anderson
Robert E. Gansser
Lewis R. Kryk
Theodore R. Rieple
Assignee (at issue)
DIVERSEY, 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.