Granted Patent
Utility
US 4,378,672 · App. 06/211,048
Ring/traveler system noise reduction
Inventor:
B. Dean Lassiter
Patented Case
View Patent ↗
Granted: Apr 5, 1983
Filed: Nov 28, 1980
Inventor
B. Dean Lassiter
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.