Number | Name | Date | Kind |
---|---|---|---|
130758 | Somers | Aug 1972 | |
1910534 | Glasner | May 1933 | |
3696657 | Maytag | Oct 1972 | |
4132118 | Harr | Jan 1979 | |
4173138 | Main et al. | Nov 1979 | |
4530228 | Snyder et al. | Jul 1985 |
Entry |
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Ingenious Mechanisms (The Industrial Press), 1951. |