Image: FirstUSpatent
Size of this preview: 757 × 599 pixels. Other resolutions: 303 × 240 pixels | 2,640 × 2,090 pixels.
Original image (2,640 × 2,090 pixels, file size: 820 KB, MIME type: image/jpeg)
Title: FirstUSpatent
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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