Granted Patent
Utility
US 5,196,495 · App. 07/653,207
Hair fixative polymers
Inventors:
Jui-Chang Chuang, Edward W. Walls, Jr., Stephen C. Johnson
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Jan 25, 1991
Inventors
Jui-Chang Chuang
Edward W. Walls, Jr.
Stephen C. Johnson
Assignee (at issue)
ISP INVESTMENTS 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.