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| Patents for Swan Incandescent Electric Light Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 269,132 | Dec. 12, 1882 | W. Stanley, Jr. | Carbon filament produced from hair | |
 | 269,133 | Dec. 12, 1882 | W. Stanley, Jr. | Exhausting globes of electric lamps | |