Robert J. Ackert

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Sault Ste. Marie, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for the manufacture of hardened railroad rails
- Patent number 4,895,605
- Issue date Jan 23, 1990
- Algoma Steel Corporation
- Robert J. Ackert
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for the production of improved railway rails by accelerat...
- Patent number 4,611,789
- Issue date Sep 16, 1986
- The Algoma Steel Corporation Limited
- Robert J. Ackert
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for the production of improved railway rails by accelerated...
- Patent number 4,486,248
- Issue date Dec 4, 1984
- The Algoma Steel Corporation Limited
- Robert J. Ackert
- C21 - METALLURGY OF IRON