Granted Patent
Utility
US 6,142,196 · App. 09/457,272
Machine for forming bottom rail and valance of window blind unit
Inventors:
Arthur I. Schumann, Michael J. McCarty
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Dec 8, 1999
Inventors
Arthur I. Schumann
Michael J. McCarty
Assignee (at issue)
3 Day Blinds 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.