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| Patents for Peter Lackner | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,226,337 | May 15, 1917 | P. Lackner | Universal Micrometer | indicating calipers | |
| 1,266,493 | May 14, 1918 | P. Lackner | Universal Micrometer | micrometers | |