Drilldown: Patents
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Patents > National tech categories:
None
& Citations from after 1930:
2
& Number of text pages:
5-30 
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Use the filters below to narrow your results.
Alfred John Macy (1) ·
Calvin Pearson (1) ·
Émile Pupin (1) ·
Enrique Lazarte (1) ·
George C. St. Louis (1) ·
James Dennis Roots (1) ·
Lewis Ginter Young (1) ·
Marc Denaus (1) ·
Maxim B. Boyd (1) ·
Melville W. Mix (1) ·
Rene Cecil Motte (1) ·
Thomas Osborne Perry (1) ·
Wilhelm Lübbecke (1) ·
William Starling Burgess (1)
Alfred John Macy (1) ·
Calvin Pearson (1) ·
Émile Pupin (1) ·
Enrique Lazarte (1) ·
George C. St. Louis (1) ·
James Dennis Roots (1) ·
Lewis Ginter Young (1) ·
Marc Denaus (1) ·
Maxim B. Boyd (1) ·
Melville W. Mix (1) ·
Rene Cecil Motte (1) ·
Thomas Osborne Perry (1) ·
Wilhelm Lübbecke (1) ·
William Starling Burgess (1)
None (1) ·
CPC B64B1/00 (1) ·
CPC B64C1/00 (1) ·
CPC B64C17/00 (1) ·
CPC B64C2700/6228 (1) ·
CPC B64C2700/6235 (1) ·
CPC B64C2700/6295 (2) ·
CPC B64C3/00 (1) ·
CPC B64C3/185 (1) ·
CPC B64C3/385 (1) ·
CPC B64C3/54 (1) ·
CPC B64C33/02 (1) ·
CPC B64C35/00 (2) ·
CPC B64C39/08 (1) ·
CPC B64C39/10 (1) ·
CPC F16H1/20 (1) ·
CPC Y10T74/19679 (1)
Showing below up to 12 results in range #1 to #12.
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- Main
- Timeline: Year filed
- Timeline: Year granted
- Timeline: Filing date
- Timeline: Full specification filed date
- Timeline: Grant date
- Timeline: Publication date
- Timeline: Family year
- Calendar: Year filed
- Calendar: Full specification filed date