Granted Patent
Utility
US 4,382,570 · App. 06/279,317
Draw band line support
Inventor:
John L. Craig
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Jul 1, 1981
Inventor
John L. Craig
Assignee (at issue)
Transamerica DeLaval 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.