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| Patents for Louis J. Kirchenbauer | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,372,075 | Mar. 22, 1921 | L.J. Kirchenbauer | Crank Pin Lathe | crank pin lathes | |
| RE17,040 | Jul. 17, 1928 | L.J. Kirchenbauer | Crank Pin Lathe | crank pin lathes | |