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| Patents for Leander S. Heald | |||||
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| Number | Date | Patentee | Title | Type | |
| 330,112 | Nov. 10, 1885 | L.S. Heald | Hay Tedder | hay or straw spinners | |
| 386,921 | Jul. 31, 1888 | L.S. Heald | Tedder | ||
| 547,991 | Oct. 15, 1895 | L.S. Heald, J.N. Heald | Woodworking-machine | window making machines | |
| 567,135 | Sep. 08, 1896 | L.S. Heald | Rotary cutter | window making machines | |
| 630,536 | Aug. 08, 1899 | J.N. Heald, L.S. Heald | Drill-grinding machine | drill grinders | |
| 734,863 | Jul. 28, 1903 | L.S. Heald, J.N. Heald | Sash-trimming machine | miter machines | |