Drilldown: Patents
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Patents > National tech categories :
GB 4 propel & steer or
USPC 114/21.1
& Family year:
1880 - 1889
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None (1) ·
Edward Charles Frederick Otto (1) ·
Edward Charles Frederick Otto, Jr. (1) ·
Gustav Koch (1) ·
Hiram Stevens Maxim (1) ·
James Grieve Lorrain (2) ·
Jesse Mary Chambers (1) ·
Joaquim Ignacio Ribeiro (1) ·
John C. Henderson (1) ·
Serkis-Bey Ballian (1) ·
William Quartermain (1) ·
Winfield S. Sims (1) ·
Winfield Scott Sims (1)
Tech fields:
Showing below up to 13 results in range #1 to #13.
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