| Patents for M. P. Callan |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 198,825 | Jan. 01, 1878 | C.W. Thompson | Improvement in barrel-hoop machines | hoop making machines |
| 292,131 | Jan. 15, 1884 | E. Morrison, J.P. Herron | Thickness Gage | thickness gages |
| 297,242 | Apr. 22, 1884 | J.E. Emerson | Tab-plate for saws | sawblades |
| 297,243 | Apr. 22, 1884 | J.E. Emerson | Saw-tab | sawblades |
| 304,715 | Sep. 09, 1884 | J.E. Emerson | Saw | crosscut saws |
| 304,760 | Sep. 09, 1884 | W.T. Smith | Lumber-stacker | woodworking machine material handling |
| 305,206 | Sep. 16, 1884 | C.J. Lowe | Saw | crosscut saws |
| 309,533 | Dec. 23, 1884 | J.E. Emerson | Saw-tooth-swaging device | saw swages |
| 353,385 | Nov. 30, 1886 | E.S. Snyder | Insertable saw-tooth | insertable saw teeth |
| 388,760 | Aug. 28, 1888 | N.S. Clement | Dovetailing-machine | dovetailing machines |
