| Number | Name | Date | Kind |
|---|---|---|---|
| 2804887 | Reck | Sep 1957 | |
| 2836837 | Belek | Jun 1958 | |
| 3019517 | Lovecky | Feb 1962 | |
| 3318344 | Lamoureux | May 1967 | |
| 3521678 | Petree | Jul 1970 | |
| 3552452 | Stigall | Jan 1971 | |
| 3866846 | Dorsey | Feb 1975 | |
| 3994320 | Dorsey et al. | Nov 1976 | |
| 4064581 | Kober | Dec 1977 | |
| 4444228 | Demirjiain | Apr 1984 | |
| 4625774 | Stack, Jr. | Dec 1986 |
| Number | Date | Country |
|---|---|---|
| 1124045 | May 1982 | CAX |
| 2845279 | May 1979 | DEX |
| Entry |
|---|
| "Unwrapping Tool" W. E. Technical Digest No. 42 Apr. 1976 p. 35. |