| Patents for none listed |
Patents 1141 -
1155
of 3291
      |
| Number | Date | Patentee | Title | Type |
| DE-500,678 | Jun. 26, 1930 | n. listed | Grinding of Balls Between Two Roller-shaped Grinding or Guide Bodies | grinding machines |
| DE-500,776 | Jun. 26, 1930 | n. listed | Cylindrical grinding from the outside exactly cylindrical machined a ring body on the inner cylinder surface | cylindrical grinders |
| CH-140,791 | Jun. 30, 1930 | n. listed | Method and Machine for Dressing Tubular Objects on the Outside and Inside | grinding machines |
| 1,768,639 | Jul. 01, 1930 | W.F. Shore, A.F. Shore | Gauge | metal hardness testers |
| 1,768,692 | Jul. 01, 1930 | R.A. Kaplan | Tool | |
| 1,768,931 | Jul. 01, 1930 | F.J. Pratt | Dial Indicator | measurement gauges |
| 1,769,070 | Jul. 01, 1930 | E.B. Nowosielski | Ratchet Wrench | ratchet wrenches |
| CA-301,787 | Jul. 08, 1930 | F.J. Carnelli | Chain Pipe Wrench | chain and strap wrenches |
| 1,770,046 | Jul. 08, 1930 | A.F. Shore | Apparatus for Measuring the Hardness of Materials | metal hardness testers |
| 1,770,444 | Jul. 15, 1930 | A.S. Wallace | Rim Breaker | automotive tools |
| 1,770,899 | Jul. 22, 1930 | J.A. Anderson | Valve Spring Lifter | valve spring tools |
| 1,771,172 | Jul. 22, 1930 | B. Fraser | Wrench | self-adjust wrenches |
| 1,771,692 | Jul. 29, 1930 | I.C. Saunders | Wrench | screw adjust wrenches |
| GB-311,328 | Aug. 05, 1930 | n. listed | Improvements in or Relating to Centerless Grinders | grinding machines |
| 1,772,224 | Aug. 05, 1930 | W.A. Peterson | Pliers | locking pliers |
