Granted Patent
Utility
US 6,620,212 · App. 09/679,357
Method of dyeing a corespun yarn and dyed corespun yarn
Inventors:
Alan C. Handermann, David W. Shaw, William P. Cochran, William R. Bryant, Frank J. Land
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Oct 5, 2000
Inventors
Alan C. Handermann
David W. Shaw
William P. Cochran
William R. Bryant
Frank J. Land
Assignees (at issue)
McKinnon Land LLC
BASF SE
DyStar L.P.
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.