Granted Patent
Utility
US 4,609,056 · App. 06/556,881
Sidewall core gun
Inventors:
Edward A. Colle, Jr., Donald N. Yates, Jr., Emmet F. Brieger
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Dec 1, 1983
Inventors
Edward A. Colle, Jr.
Donald N. Yates, Jr.
Emmet F. Brieger
Assignee (at issue)
Halliburton
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.