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Patents > Year granted: 1919 & Family year: 1917 & Number of claims: 2-4

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None (7) · Harold Arthur Savage (4) · Walter George Tarrant (3) · John William Copley (3) · Harris Booth (3) · George Henry Challenger (2) · Robert Gastambide (2) · Oszkár Asbóth (2) · James Jacob Mayrow (2) · Hjalmar Pålson (2) · Wilfrid Thomas Reid (2) · Edward Eugene Brown (2) · Émile Letord (2)
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None (8) · Harold Arthur Savage (4) · Walter George Tarrant (3) · John William Copley (3) · Harris Booth (3) · George Henry Challenger (2) · Robert Gastambide (2) · Oskar von Asbóth (2) · James Jacob Mayrow (2) · Hjalmar Pålson (2) · Wilfrid Thomas Reid (2) · Émile Letord (2) · Edward Eugene Brown (2)
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None (21)
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CPCs:
None (15) · CPC B64C3/00 (4) · CPC B64C2001/0063 (3) · CPC B64C2700/6235 (3) · CPC B64C3/14 (2) · CPC B64C23/005 (2) · CPC B64C3/185 (2) · CPC B64C17/00 (2) · CPC B64C2700/6233 (2) · CPC B64B1/00 (2) · CPC B64C25/60 (2) · CPC F41A19/05 (2) · CPC B64C1/08 (2) · CPC B64C1/065 (2)
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