Granted Patent
Utility
US 4,488,740 · App. 06/350,374
Breech block hanger support
Inventors:
Benton Frederick Baugh, Herman O. Henderson, Jr., John H. Fowler, Arthur G. Ahlstone
Patented Case
View Patent ↗
Granted: Dec 18, 1984
Filed: Feb 19, 1982
Inventors
Benton Frederick Baugh
Herman O. Henderson, Jr.
John H. Fowler
Arthur G. Ahlstone
Assignee (at issue)
SMITH INTERNATIONAL, 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.