| Patents for Frank & Co. |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 143,232 | Sep. 30, 1873 | G. Spire, A.H. Frank | Improvement in planing-machines | wood planers |
| 147,760 | Feb. 24, 1874 | G. Spire, A.H. Frank | Improvement in spindles | woodworking machine lubrication |
| 162,776 | May 04, 1875 | G. Spire | Planing and matching machine | wood planers |
| 165,720 | Jul. 20, 1875 | G. Spire, A.H. Frank | Improvement in molding-machines | molders |
| 171,510 | Dec. 28, 1875 | G. Spire, A.H. Frank | Improvement in planing-machines | wood planers |
| 174,950 | Mar. 21, 1876 | G. Spire, A.H. Frank | Improvement in sawing-machines | bandsaws |
