Lawrence Earl Leas

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Simi, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary engine
- Patent number 4,498,290
- Issue date Feb 12, 1985
- Arnold M. Leas
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Direct metal reduction from coal
- Patent number 3,985,548
- Issue date Oct 12, 1976
- Leas Brothers Development Corporation
- Lawrence Earl Leas
- C21 - METALLURGY OF IRON