Granted Patent
Utility
US 4,407,334 · App. 06/064,021
Method and apparatus for positively removing weft from air insertion guidance tube
Inventor:
Charles W. Brouwer
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Aug 6, 1979
Inventor
Charles W. Brouwer
Assignee (at issue)
Leesona Corporation
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.