Drilldown: Patents

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Patents > Tech fields : whole or None & National tech categories : AT 77d or USPC 244/90R

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Inventors:
None (4) · Glenn Hammond Curtiss (2) · Burt Jackson Pressey (2) · Joseph A Goodwin (2) · Edson F. Gallaudet (2)
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Applicant person:
None (16) · Joseph A Goodwin (2) · Edson F. Gallaudet (2)
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None (26)
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Citations from after 1930:
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Showing below up to 71 results in range #1 to #71.

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