| Patents for none listed |
Patents 1111 -
1125
of 3145
      |
| Number | Date | Patentee | Title | Type |
| GB-315,406 | Aug. 21, 1930 | n. listed | Improvements in or Relating to Grinding Machines | grinding machines |
| GB-314,330 | Aug. 28, 1930 | n. listed | Improvements in or Relating to Processes for Producing Noncylindrical Rolls or Likework-Pieces | grinding machines |
| FR-688,731 | Aug. 28, 1930 | n. listed | Improvements to Grinding Machines | grinding machines |
| FR-688,732 | Aug. 28, 1930 | n. listed | Improvements to Centerless Grinding Machines | centerless grinders |
| 1,775,270 | Sep. 09, 1930 | J.E. Bergman | Combination Tool | pliers |
| 1,776,159 | Sep. 16, 1930 | M.C. Dellinger, H.W. Kulp | Shield | valve spring tools |
| DE-510,290 | Oct. 17, 1930 | n. listed | Device for Feeding and Removing the Workpieces on Centerless Grinding Machines | centerless grinders |
| 1,778,748 | Oct. 21, 1930 | L.G. Bayner | Wrench | pipe wrenches |
| 1,778,949 | Oct. 21, 1930 | H.W. Johnson | Metal Working Tool | |
| GB-317,473 | Oct. 22, 1930 | n. listed | Improvements in or Relating to Grinding or Abrading Machines | grinding machines |
| DE-510,995 | Oct. 25, 1930 | n. listed | Centerless Grinding Machine for Grinding, Special Feature of Concentric Workpiece Surfaces | centerless grinders |
| DE-511,860 | Nov. 01, 1930 | n. listed | Process and Machine for Centerless Grinding of Workpieces With Several Different Diameters | centerless grinders |
| GB-337,451 | Nov. 03, 1930 | n. listed | Improvements in or Relating to Centerless Grinding Machines | grinding machines |
| FR-692,564 | Nov. 07, 1930 | n. listed | Improvements to Grinding Machines | grinding machines |
| DE-513,081 | Nov. 22, 1930 | n. listed | Machine for Centerless Grinding of Ring Surfaces on the Heads of Cylindrical Workpieces Provided With a Head | centerless grinders |
