Granted Patent
Utility
US 4,769,192 · App. 07/031,278
Pulsating slip form apparatus and method
Inventor:
Henry P. Cerutti
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Mar 27, 1987
Inventor
Henry P. Cerutti
Assignee (at issue)
BLAW-KNOX CORPORATION
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.