| All Patents in class 33/520 |
Patents 1 -
10
of 32
      |
| Picture | Number | Date | Patentee | Title |
 | 39,608 | Aug. 18, 1863 | F.B. Williams | Device for Centering Shafting |
 | 142,761 | Sep. 16, 1873 | S.H. Bellows | Machinists' Gages |
 | 152,487 | Jun. 30, 1874 | G.F. Hawley | Device for Centering Cylinders |
| | 374,168 | Dec. 06, 1887 | C.E. Barnes | Device for Aligning Steam Engines |
 | 432,328 | Jul. 15, 1890 | J.A. Painter | Center and Mortise-Gage |
 | 467,562 | Jan. 26, 1892 | J.F. Sauerman | Combination Bevel & Surface Gage |
 | 610,021 | Aug. 30, 1898 | C.V. Bogart | Centering Gage |
 | 611,625 | Oct. 04, 1898 | J.E. Goddard | Gaging Implement |
 | 657,136 | Sep. 04, 1900 | A.L. Schultz | Combination Tool |
 | 715,445 | Dec. 09, 1902 | I.A. White | Centering Gage |
