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| All Patents in class 292/238 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,473,834 | Nov. 13, 1923 | M.J. Sasgen | Doorstop | door and window hardware | |
| 1,656,394 | Jan. 17, 1928 | M.J. Sasgen | Doorstop | door and window hardware | |
| 1,687,517 | Oct. 16, 1928 | M.J. Sasgen | Doorstop | door and window hardware | |
| 1,861,252 | May 31, 1932 | H.M. Whitcomb | Door latch | ||