Granted Patent
Utility
US 4,688,838 · App. 06/835,748
Twister bobbin lifter and carrier
Inventor:
Ernest F. Skillman
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Mar 3, 1986
Inventor
Ernest F. Skillman
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.