| Number | Name | Date | Kind |
|---|---|---|---|
| D162813 | Goldberger et al. | Apr 1951 | |
| D300909 | Thornburg et al. | May 1989 | |
| D311346 | Gross | Oct 1990 | |
| 4673300 | Wilhelmson et al. | Jun 1987 |
| Entry |
|---|
| Tektronix, Inc., Tek Accessories; Minature Modular Passive Probes; Subminiature Passive Probes; etc.: .COPYRGT.1989; pp. 4, 6, 8, 10, 12, 14, 18-20, 24. |
| Tegam Inc., Thermocouple Probes, Aug. 1987; cover page. |