Granted Patent
Utility
US 5,402,939 · App. 08/171,670
Blast nozzle holder
Inventor:
James D. Shank, Jr.
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Dec 22, 1993
Inventor
James D. Shank, Jr.
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.