Drilldown: Patents

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Patents > Office : DE or US & Applicant firm : Sperry Gyroscope Company or None

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US (3148) · None (1208) · DE (586) · FR (192) · GB (182) · CA (61) · AT (41) · IT (35) · CH (24) · HU (20) · AU (20) · RU (16) · AH (15) · Prussia (14) · Poland (14) · MX (13) · NL (10) · SE (10) · NO (10) · BE (8)
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Cites these patents:
None (5437) · 1 (14) · 1910 (6) · 0 (5) · CPC B64B1/00 (5) · 1909 (4) · 1911 (4) · USPC 244/87 (3) · USPC 244/48 (3) · 1887 (3) · USPC 244/26 (2) · 1907 (2) · 1877 (2)
Citations from after 1930:

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