| Patents for Cincinnati Grinders, Inc. |
Patents 31 -
45
of 412
      |
| Number | Date | Patentee | Title | Type |
| GB-300,061 | Nov. 08, 1928 | n. listed | Improvements in Centreless Grinding Machines | centerless grinders |
| 1,691,061 | Nov. 13, 1928 | L.R. Heim | Grinding Device | grinding machines |
| GB-294,594 | Nov. 15, 1928 | J.E. Caster | Improvements in Machines for Grinding Spherical Articles | centerless grinders |
| 1,692,834 | Nov. 27, 1928 | L.R. Heim | Art and Apparatus for Producing Ground Articles | grinding machines |
| GB-304,060 | Jan. 17, 1929 | n. listed | Improvements in Grinding or Abrading Machines | grinding machines |
| GB-304,502 | Jan. 24, 1929 | n. listed | Improvements in Grinding or Abrading Machines | centerless grinders |
| GB-305,839 | Feb. 14, 1929 | n. listed | Improvements Relating to Grinding or Abrading Machines | grinding machines |
| GB-306,710 | Feb. 28, 1929 | n. listed | Improvements Relating to Grinding or Abrading Apparatus | centerless grinders |
| GB-306,711 | Feb. 28, 1929 | n. listed | Improvements Relating to Grinding and Polishing Machines | grinding machines |
| 1,705,230 | Mar. 12, 1929 | G.W. Binns | Grinding Machinery | grinding machines |
| GB-308,064 | Mar. 21, 1929 | n. listed | Improvements in or Relating to Centreless Grinders | grinding machines |
| GB-308,065 | Mar. 21, 1929 | n. listed | Improvements in Machines for Grinding Cylindrical and Like Work Pieces | grinding machines |
| GB-308,066 | Mar. 21, 1929 | n. listed | Improvements in Grinding or Abrading Machines | grinding machines |
| GB-308,091 | Mar. 21, 1929 | n. listed | Improvements Relating to Centreless Grinding Machines | grinding machines |
| 1,707,708 | Apr. 02, 1929 | J.E. Caster | Process for the Production of Spherical Articles | grinding machines |
