Granted Patent
Utility
US 4,370,784 · App. 06/251,814
Belting fabric
Inventor:
John W. Turnbull
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Apr 7, 1981
Inventor
John W. Turnbull
Assignee (at issue)
Celanese GmbH
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.