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| Patents for L. F. McCrea | |||||
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| Number | Date | Patentee | Title | Type | |
| 771,501 | Oct. 04, 1904 | H.B. Ross | Feed-roll for planing-machines | wood planers | |
| 856,726 | Jun. 11, 1907 | H.B. Ross | Cutter-head-knife sharpener | woodworking machine sharpening mechanisms | |
| 881,086 | Mar. 03, 1908 | B.D. Stevens | Variable-speed mechanism | industrial machine speed and direction changing mechanisms | |