Granted Patent
Utility
US 5,376,157 · App. 08/193,763
Less aggressive blast media formed from compacted particles
Inventors:
Benny S. Yam, Amy L. Joseph, Keith A. Jones
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Feb 3, 1994
Inventors
Benny S. Yam
Amy L. Joseph
Keith A. Jones
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.