IP Library Granted Patent US 4,749,419
Granted Patent Utility
US 4,749,419 · App. 06/900,996

Method for heat treating rail

Inventors: Richard Sommer, Michael Faber, Reuel E. Jennings
Patented Case View Patent ↗
Granted: Jun 7, 1988 Filed: Aug 28, 1986
Inventors
Richard Sommer
Michael Faber
Reuel E. Jennings

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Quick Facts
Patent No.
US 4,749,419
App. No.
06/900,996
Filed
1986-08-28
Granted
1988-06-07
Kind
A