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| All Patents in class D16/222 | |||||
| Number | Date | Patentee | Title | Type | |
| D25,210 | Mar. 03, 1896 | H.S. Walbridge | Design for a bridge-piece for stereoscopes | ||
| D26,943 | Apr. 20, 1897 | H.S. Walbridge | Design for a hood for stereoscopes | ||