Number | Name | Date | Kind |
---|---|---|---|
2887944 | Walker | May 1959 | |
2940439 | Bartels et al. | Jun 1960 | |
3095869 | Swenson | Jul 1963 |
Number | Date | Country |
---|---|---|
210839 | Jun 1984 | DEX |
Entry |
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Roto-Broil Corp. of America, New Improved Interchangeable Spit, 10/1956, 1-page advertisement. |