Charles W. Dorn Jr.

Follow

Person

Pittsburgh, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for handling flexible sheet while applying graded shade b...
- Patent number 4,239,016
- Issue date Dec 16, 1980
- PPG Industries, Inc.
- William P. Cathers
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Frame having rotating orienting members
- Patent number 4,200,420
- Issue date Apr 29, 1980
- PPG Industries, Inc.
- William P. Cathers
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL