| Patents for Lufkin Rule Company |
Patents 61 -
75
of 79
      |
| Number | Date | Patentee | Title | Type |
| D176,570 | Jan. 03, 1956 | C.C. Taylor | Tape line wiper | |
| 2,755,557 | Jul. 24, 1956 | E.J. Witchger | Dial test indicator | measurement gauges |
| 2,805,483 | Sep. 10, 1957 | C. Zelnick | Micrometer gauges | measurement gauges |
| 2,826,820 | Mar. 18, 1958 | C. Zelnick | Hole gauges | |
| 2,837,296 | Jun. 03, 1958 | C. Zelnick | Anti friction tape meauring case | |
| 2,855,686 | Oct. 14, 1958 | C. Zelnick | Measuring rod locking means for depth gauge micrometers | depth gauges |
| 2,876,552 | Mar. 10, 1959 | C. Zelnick | Machinists gauges | |
| 2,883,758 | Apr. 28, 1959 | C. Zelnick | Apparatus for measuring the size and symmetry of an opening formed in a work piece | |
| 2,899,839 | Aug. 18, 1959 | C. Zelnick | Apparatus for extending the length of a measuring tape winding crank handle | |
| 2,900,733 | Aug. 25, 1959 | C. Zelnick | Indicators with resilient means for reversing the bias of the operating spindle | |
| 2,904,282 | Sep. 15, 1959 | C. Zelnick | Spring reel measuring tape | |
| 2,911,726 | Nov. 10, 1959 | C. Zelnick | Indicator | measurement gauges |
| 3,042,990 | Jul. 10, 1962 | C. Zelnick | Woven type measuring tape | |
| 3,044,731 | Jul. 17, 1962 | C. Zelnick | Tape measure construction | tape measures |
| 3,101,551 | Aug. 27, 1963 | I.E. Bryant | Instrument for measuring linear dimensions | |
