| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Patents for L. S. Heald & Son | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 567,135 | Sep. 08, 1896 | L.S. Heald | Rotary cutter | |
 | 630,536 | Aug. 08, 1899 | L.S. Heald, J.N. Heald | Drill-grinding machine | |