Granted Patent
Utility
US 4,630,352 · App. 06/646,956
Continuous rolling method and apparatus
Inventors:
Vladimir B. Ginzburg, George W. Tippins
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Sep 4, 1984
Inventors
Vladimir B. Ginzburg
George W. Tippins
Assignee (at issue)
Tippins Machinery 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.