Drilldown: Patents
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Patents > Office
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& Grant date:
1920 - 1929
& Citations from after 1930:
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Use the filters below to narrow your results.
Albert Ennis Henderson (2) ·
Alliott Verdon Roe (1) ·
Arthur Lionel Rawlings (1) ·
Carleton John Lynde (1) ·
Edward Eugene Brown (2) ·
Ernest Abington Vessey (1) ·
Everett E Kittredge (1) ·
Frederic Langtry Van Allen (1) ·
Geoffrey Harrison Brancker (1) ·
James Dennis Roots (1) ·
James Jacob Mayrow (1) ·
John Edward Thompson (1) ·
Walter George Tarrant (2) ·
William Davey Oddy (2) ·
William John Adderley (1)
Albert Ennis Henderson (2) ·
Alliott Verdon Roe (1) ·
Arthur Lionel Rawlings (1) ·
Carleton John Lynde (1) ·
David Kittredge (1) ·
Edward Eugene Brown (2) ·
Ernest Abington Vessey (1) ·
Frederic Langtry Van Allen (1) ·
Geoffrey Harrison Brancker (1) ·
James Dennis Roots (1) ·
James Jacob Mayrow (1) ·
John Edward Thompson (1) ·
Walter George Tarrant (2) ·
William Davey Oddy (2) ·
William John Adderley (1)
None (2) ·
CPC B64B1/00 (1) ·
CPC B64B1/40 (1) ·
CPC B64C1/00 (1) ·
CPC B64C1/065 (2) ·
CPC B64C11/003 (1) ·
CPC B64C11/04 (1) ·
CPC B64C11/36 (2) ·
CPC B64C13/12 (1) ·
CPC B64C13/42 (1) ·
CPC B64C17/00 (1) ·
CPC B64C2001/0081 (1) ·
CPC B64C2700/6212 (1) ·
CPC B64C2700/6228 (1) ·
CPC B64C2700/6233 (1) ·
CPC B64C3/00 (1) ·
CPC B64C33/02 (1) ·
CPC G01C19/38 (1)
Showing below up to 18 results in range #1 to #18.