| Number | Name | Date | Kind |
|---|---|---|---|
| D258078 | Gallagher et al. | Jan 1981 | |
| D258381 | Lewis | Feb 1981 | |
| D270369 | Fleckenstein | Aug 1983 | |
| D295552 | Huber | May 1988 | |
| D295553 | Huber | May 1988 | |
| 1985012 | Boehm | Dec 1934 | |
| 2083970 | Walter | Jun 1937 | |
| 3166252 | O'Brien et al. | Jan 1965 | |
| 3210099 | Franck | Oct 1965 | |
| 3986732 | Stanley | Oct 1976 | |
| 4111465 | Knight | Sep 1978 | |
| 4142741 | Fiala | Mar 1979 |
| Entry |
|---|
| Parker Hannifin, Hose Products Division, 3000 P.S.I. Hydraulic Swivels, p. 94. |
| Parker Hannifin, Hose Products Division, Replacement Seal Kits for Hydraulic Swivels, p. 97. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 766588 | Aug 1985 | |
| Parent | 707140 | Mar 1985 |