Granted Patent
Utility
US 4,430,874 · App. 06/307,015
Vertical coiler furnace and method of rolling
Inventors:
George W. Tippins, Vladimir B. Ginzburg, Wayne G. Pottmeyer
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Sep 29, 1981
Inventors
George W. Tippins
Vladimir B. Ginzburg
Wayne G. Pottmeyer
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.