| Number | Name | Date | Kind |
|---|---|---|---|
| D278143 | Hill | Mar 1985 | |
| 2442754 | Beam | Jun 1948 | |
| 2936015 | Rapata | May 1960 | |
| 3029486 | Raymond | Apr 1962 | |
| 3195266 | Omanian | Jul 1965 | |
| 3764729 | Kowalewski | Oct 1973 | |
| 4200000 | McGeorge | Apr 1980 | |
| 4502193 | Harmon et al. | Mar 1985 | |
| 4627760 | Yagi et al. | Dec 1986 |
| Number | Date | Country |
|---|---|---|
| 2024211 | Jan 1972 | DEX |
| 2457228 | Jun 1976 | DEX |
| 1465708 | Jan 1967 | FRX |
| 1271400 | Apr 1972 | GBX |
| Entry |
|---|
| Richco Plastic Co. Catalog, at p. 21: Circuit Board Support Part CBS-3N. |
| Illinois Tool Works, ITW Fastex Folder .COPYRGT.1983 "Plastic Rivet".RTM., Copy Group 290. |