Granted Patent
Utility
US 4,439,125 · App. 06/363,976
Adjustable die mechanism
Inventors:
J. Robert Dieckmann, Richard E. Burg, Louis Laurich, J. Richard McCarty
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Mar 31, 1982
Inventors
J. Robert Dieckmann
Richard E. Burg
Louis Laurich
J. Richard McCarty
Assignee (at issue)
The Firestone Tire & Rubber Company
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.