Granted Patent
Utility
US 4,850,913 · App. 07/098,396
Sports board having a slick film surface and method for making
Inventor:
Robert F. Szabad, Jr.
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Sep 18, 1987
Inventor
Robert F. Szabad, Jr.
Assignee (at issue)
Packaging Industries Group, Inc.
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.