| Number | Name | Date | Kind |
|---|---|---|---|
| D235642 | Erickson | Jul 1925 | |
| D286907 | Hilpert et al. | Nov 1986 | |
| D287268 | Hilpert et al. | Dec 1986 | |
| D322657 | Hartman et al. | Dec 1991 | |
| 2731534 | Hansen et al. | Jan 1956 | |
| 3084901 | Thorburn | Apr 1963 | |
| 3516442 | Munroe | Jun 1970 | |
| 3719199 | Mentink | Mar 1973 | |
| 3719343 | Werra | Mar 1973 | |
| 3958592 | Wells et al. | May 1976 | |
| 4027692 | Bouteille et al. | Jun 1977 | |
| 4354425 | Bruton et al. | Oct 1982 | |
| 4364414 | Bouteille et al. | Dec 1982 | |
| 4569378 | Bergandy | Feb 1986 | |
| 4582082 | Tosseghini | Apr 1986 | |
| 4889153 | Zepernick et al. | Dec 1989 | |
| 4930555 | Rudick | Jun 1990 | |
| 4977922 | McWilliams | Dec 1990 | |
| 4986299 | Schultz | Jan 1991 | |
| 5275014 | Solomon | Jan 1994 |
| Entry |
|---|
| Fisher Controls, "Type 657 and 667 Diaphragm Acutators", Bulletin 61.1:657, Apr. 1992. |
| Fisher Controls, "470 Series Piston Actuators", Bulletin 61.2:470, Jul. 1993. |
| Fisher Controls, "Type 585 and 585R Piston Actuators", Bulletin 61.2:585, Jul. 1993. |