Granted Patent
Utility
US 4,601,949 · App. 06/670,241
Conjugate filaments and process for producing same
Inventors:
Hartwig C. Bach, William B. Black
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Nov 13, 1984
Inventors
Hartwig C. Bach
William B. Black
Assignee (at issue)
Monsanto Company
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.