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| Patents for Thomas L. Hemmelgarn | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,882,847 | Nov. 28, 1989 | F.L. Raleigh, T.L. Hemmelgarn | Coordinate Measuring Machine with Improved Carriage Way Arrangement | metalworking machines | |
| 6,058,618 | May 09, 2000 | D.K. Greier, F.L. Raleigh, F.K. Bell, T.L. Hemmelgarn | Coordinate Measuring Machine | coordinate measuring machines | |