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Patents > Year granted: 1917 & Family year: 1900 - 1999 & Number of figures: 5-7

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None (3) · Thomas Sopwith (3) · Frank Ezra Summers (2) · Frank A Bullington (2)
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None (6) · Thomas Sopwith (3) · Frank Ezra Summers (2) · Frank A Bullington (2)
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None (7)
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CPCs:
None (5) · CPC B64C13/00 (5) · CPC B64C25/60 (4) · CPC B64B1/00 (3) · CPC B64C35/00 (3) · CPC Y10T29/49332 (2) · CPC B64C39/08 (2) · CPC B64C39/026 (2) · CPC B64C23/005 (2) · CPC B64C3/54 (2) · CPC B64C11/36 (2)
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Showing below up to 54 results in range #1 to #54.

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