Granted Patent
Utility
US 5,368,943 · App. 07/811,389
Polyurethane block copolymer
Inventors:
Jamil Baghdachi, Cheryl Van Valkenburg
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Dec 20, 1991
Inventors
Jamil Baghdachi
Cheryl Van Valkenburg
Assignee (at issue)
ADCO PROUCTS, LLC
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.