Granted Patent
Utility
US 4,421,140 · App. 06/331,833
Dobby-activated loom motion lock-out device
Inventors:
Danny H. Allen, John H. Sumner
Patented Case
View Patent ↗
Granted: Dec 20, 1983
Filed: Dec 17, 1981
Inventors
Danny H. Allen
John H. Sumner
Assignee (at issue)
Burlington Industries LLC
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.