Granted Patent
Utility
US 5,865,321 · App. 08/903,267
Slip free vertical rack design
Inventor:
John A. Tomanovich
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jul 25, 1997
Inventor
John A. Tomanovich
Assignee (at issue)
Saint-Gobain/Norton Industrial Ceramics Corporation
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.