| Number | Name | Date | Kind |
|---|---|---|---|
| D233014 | Rasmussen et al. | Oct 1974 | |
| D240015 | Buckley | May 1976 | |
| D245312 | Rasmussen et al. | Aug 1977 | |
| 818700 | Morewood | Apr 1906 | |
| 1259397 | Hathaway | Mar 1918 | |
| 1769277 | Snyder et al. | Jul 1930 | |
| 2503446 | MacLatchie | Apr 1950 | |
| 2540784 | Hocher | Feb 1951 | |
| 3046056 | Greene et al. | Jul 1962 | |
| 3175862 | Robbins | Mar 1965 | |
| 3359701 | Schneller | Dec 1967 | |
| 3380776 | Dillender | Apr 1968 | |
| 3393521 | Cammisa | Jul 1968 | |
| 3410588 | Frye et al. | Dec 1968 | |
| 3415538 | Radke et al. | Dec 1968 | |
| 3424494 | McIntyre et al. | Jan 1969 | |
| 3475049 | Overhulser | Oct 1969 | |
| 3503647 | Gostomski | Mar 1970 | |
| 3526432 | Jensen et al. | Sep 1970 | |
| 3540772 | Weiler | Nov 1970 | |
| 3638895 | Henson | Feb 1972 | |
| 3649065 | Stutz | Mar 1972 | |
| 3706469 | Covert | Dec 1972 | |
| 3744840 | Van Cleave | Jul 1973 | |
| 3781057 | Manuel | Dec 1973 | |
| 3782775 | Weiler et al. | Jan 1974 | |
| 3830457 | Stewart | Aug 1974 | |
| 3902227 | Sherwood | Sep 1975 | |
| 4257570 | Rasmussen | Mar 1981 | |
| 4557456 | Mueller | Dec 1985 | |
| 4757969 | Tolfsen | Jul 1988 |
| Number | Date | Country |
|---|---|---|
| 1356372 | Feb 1964 | FRX |
| 374580 | Feb 1964 | CHX |
| Entry |
|---|
| TA Mfg. Corp., Engineering Design Manual, Bulletin No. 212G (U.S.A., 1970), p. 31. |
| BMC, "Camper Dampers and Camper Clampers", (U.S.A., ca. 1975). |
| All Sports and Mfg. Co., "ASM Camper Equipment and Accessories" (U.S.A., ca. 1975). |