Granted Patent
Utility
US 5,413,046 · App. 08/212,200
Shock tube assembly
Inventors:
Brian R. Sobczak, Frank J. Lucca, J. Donaldson; Thomas, Craig F. Adams, Ernest L. Gladden
Patented Case
View Patent ↗
Granted: May 9, 1995
Filed: Mar 11, 1994
Inventors
Brian R. Sobczak
Frank J. Lucca
J. Donaldson; Thomas
Craig F. Adams
Ernest L. Gladden
Assignee (at issue)
The Ensign-Bickford Company
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.