| Number | Name | Date | Kind |
|---|---|---|---|
| 2201424 | Berger | May 1940 | |
| 2724133 | Sorrel | Nov 1955 | |
| 3078478 | Sheahan | Feb 1963 | |
| 3167790 | Hickey | Feb 1965 | |
| 3538521 | Basner | Nov 1970 | |
| 3803645 | Oliverius | Apr 1974 | |
| 4203175 | Heine | May 1980 | |
| 4398707 | Cloward | Aug 1983 | |
| 4998277 | Rioux, Jr. | Mar 1991 | |
| 5275170 | Lewis | Jan 1994 | |
| 5396846 | Kelly et al. | Mar 1995 | |
| 5497968 | Hewko | Mar 1996 |
| Entry |
|---|
| Cot-Mounted Pac-Rac Equipment Table Model 274, 1994 Product Catalog, Ferno, pp. 87 and 88; 5/507.1. |