| Patents for Charles Zelnick |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
 | 2,665,490 | Jan. 12, 1954 | C. Zelnick | Micrometer Gauge |
 | 2,694,861 | Nov. 23, 1954 | C. Zelnick | Machinists gauge |
 | 2,713,206 | Jul. 19, 1955 | C. Zelnick | Folding rule joint |
 | 2,726,626 | Dec. 13, 1955 | C. Zelnick | Dial test indicator |
 | 2,727,701 | Dec. 20, 1955 | C. Zelnick | Tape measure |
 | 2,805,483 | Sep. 10, 1957 | C. Zelnick | Micrometer 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 |
 | 2,876,552 | Mar. 10, 1959 | C. Zelnick | Machinists gauges |
