Granted Patent
Utility
US 5,505,749 · App. 08/149,306
Abrasive coating remover
Inventors:
Lawrence Kirschner, Benny S. Yam
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Nov 8, 1993
Inventors
Lawrence Kirschner
Benny S. Yam
Assignee (at issue)
Church & Dwight Co., 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.