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| Patents for Louis A. Lupien | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,516,610 | Nov. 25, 1924 | L.A. Lupien | Fastening device | ||
| 1,527,984 | Mar. 03, 1925 | L.A. Lupien | Fastening device | ||
| 1,535,841 | Apr. 28, 1925 | L.A. Lupien | Fastener | ||
| 1,667,354 | Apr. 24, 1928 | L.A. Lupien | Container or box | ||
| 1,764,325 | Jun. 17, 1930 | L.A. Lupien | Bookholder | ||