| All Patents in class 451/478 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 2,631,414 | Mar. 17, 1953 | A.A. Muehling | Honing tool with gauge |
| | 2,777,257 | Jan. 15, 1957 | A.M. Johnson | Hone with pressure actuated gage |
| | 2,791,871 | May 14, 1957 | A.M. Johnson | Honing machine |
| | 2,795,089 | Jun. 11, 1957 | E.Y. Seborg | Honing machine |
| | 2,797,531 | Jul. 02, 1957 | E.Y. Seborg | Honing machine with automatic gaging device |
| | 2,819,566 | Jan. 14, 1958 | A.M. Johnson | Hone expansion control mechanism |
| | 2,823,498 | Feb. 18, 1958 | G.A. Saunders | Honing element |
| | 3,016,660 | Jan. 16, 1962 | M.J. Gross | Hone and abrasive element therefor |
