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1918-11-04 |
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1925-02-14 |
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Taylor Wharton Iron & Steel |
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1932-05-03 |
Wellman Engineering Company |
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Daniels Murtaugh Company |
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1962-02-06 |
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Keeper for an excavator tooth
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1961-06-22 |
1963-03-05 |
Esco Corp |
Ground-working tooth and method
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1964-06-01 |
1967-04-04 |
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1977-02-18 |
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Esco Corp |
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1998-03-17 |
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1999-12-21 |
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1998-09-28 |
1999-08-31 |
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1998-09-29 |
1999-10-12 |
Deere & Company |
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