Drilldown: Patents

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Patents > Tech fields: frame & Family year: 1800 - 1899 & Number of text pages: 2-3

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Inventors:
Firmin Bousson (2) · William Cowell Sly (2) · Thomas Ansboro (2) · Stewart Cairncross (2) · Claison S. Wardwell (2)
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None (19) · William Cowell Sly (2) · Claison S. Wardwell (2)
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