David L. Weekley

Follow

Person

Newton Falls, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Nozzle shroud for a molten metal stream
- Patent number 4,971,232
- Issue date Nov 20, 1990
- Vac Tec, Inc.
- David L. Weekley
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for shielding a molten metal stream
- Patent number 4,840,297
- Issue date Jun 20, 1989
- Vac Tec, Inc.
- David L. Weekley
- B22 - CASTING POWDER METALLURGY