Granted Patent
Utility
US 4,178,257 · App. 05/883,821
Tire band ply lubricant powder
Inventors:
Daniel D. Berry, Richard V. Girardi
Patented Case
View Patent ↗
Granted: Dec 11, 1979
Filed: Mar 6, 1978
Inventors
Daniel D. Berry
Richard V. Girardi
Assignee (at issue)
Union Carbide 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.