IP Library › Granted Patent US 5,981,920
Granted Patent Utility
US 5,981,920 · App. 08/928,785

Furnace for heating glass sheets

Inventor: Joseph B. Kelly
Patented Case View Patent ↗
Granted: Nov 9, 1999 Filed: Sep 12, 1997
Inventor
Joseph B. Kelly
Assignee (at issue)
PPG Industries Ohio, Inc.

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Quick Facts
Patent No.
US 5,981,920
App. No.
08/928,785
Filed
1997-09-12
Granted
1999-11-09
Kind
A