Granted Patent
Utility
US 5,308,563 · App. 07/937,568
Process for producing antistatic yarns
Inventors:
John A. Hodan, Otto M. Ilg, Melvin R. Thompson, Donald B. Thompson
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Aug 31, 1992
Inventors
John A. Hodan
Otto M. Ilg
Melvin R. Thompson
Donald B. Thompson
Assignee (at issue)
BASF SE
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.