| Patents for Williamsport Saw Works |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 51,126 | Nov. 28, 1865 | E. Andrews | Improvement in sawmills | reciprocating sawmills |
| 76,969 | Apr. 21, 1868 | E. Andrews | Improvement in mode of hanging reciprocating saws in sawmills | reciprocating sawmills |
| 85,417 | Dec. 29, 1868 | E. Andrews | Improvement in saws | reciprocating saws |
| 90,623 | May 25, 1869 | E. Andrews | Improvement in strap for saws | reciprocating saws |
| 95,869 | Oct. 19, 1869 | E. Andrews | Improvement in saw-swage | saw swages |
| 101,343 | Mar. 29, 1870 | E. Andrews | Improvement in saw-mills | reciprocating sawmills |
| 111,164 | Jan. 24, 1871 | E. Andrews | Improvement in saws | saw teeth |
| 112,883 | Mar. 21, 1871 | E. Andrews | Improvement in saw-mills | reciprocating sawmills |
| 154,821 | Sep. 08, 1874 | E. Andrews | Improvement in saw-hangers | reciprocating sawmills |
| 156,748 | Nov. 10, 1874 | E. Andrews | Improvement in circular saws | sawblades |
| 369,222 | Aug. 30, 1887 | E. Andrews | Saw-tooth | insertable saw teeth |
