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| Patents for Chamberlain Mfg. Co. | |||||
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| Number | Title | Classification(s) | |||
| 448,588 | Log lifting and turning machine | 83/710 | |||
| 448,589 | Stopping apparatus | 193/32, 193/40 | |||
| 448,590 | Log loader and turner | 414/685, 414/757, 83/712 | |||
| 448,591 | Log lifter and turner | 414/781 | |||
| 448,592 | Log lifter and turner | 414/781 | |||
| 448,593 | Log lifter and turner | 83/710 | |||