Granted Patent
Utility
US 4,438,797 · App. 06/375,113
Seal for a multipiece wheel assembly
Inventor:
David S. Suckow
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Mar 19, 1982
Inventor
David S. Suckow
Assignee (at issue)
Caterpillar Tractor Co.
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.