Roger W. Steele

Follow

Person

Neffs, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Niobium powders and niobium electrolytic capacitors
- Patent number 6,420,043
- Issue date Jul 16, 2002
- Cabot Corporation
- James A. Fife
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Niobium powders and niobium electrolytic capacitors
- Patent number 6,165,623
- Issue date Dec 26, 2000
- Cabot Corporation
- James A. Fife
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tantalum metal power with controlled size distribution and products...
- Patent number 5,986,877
- Issue date Nov 16, 1999
- Cabot Corporation
- Viren M. Pathare
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making tantalum metal powder with controlled size distrib...
- Patent number 5,954,856
- Issue date Sep 21, 1999
- Cabot Corporation
- Viren M. Pathare
- B22 - CASTING POWDER METALLURGY