Granted Patent
Utility
US 5,338,323 · App. 08/193,754
Blast media containing MGO
Inventors:
Benny S. Yam, Anthony E. Winston
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Feb 3, 1994
Inventors
Benny S. Yam
Anthony E. Winston
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.