Charles E. Ballard

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Dunlap, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Static oil seal assembly
- Patent number 4,120,622
- Issue date Oct 17, 1978
- Caterpillar Tractor Co.
- Alexander Goloff
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS