Drilldown: Patents
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Patents > Inventor country:
GB
& Applicant firm :
Sperry Gyroscope Company or
Vickers or
None
& National tech categories :
FR 6.2 or
FR 6.4 or
None
& Family year:
1900 - 1909
& Citations from after 1930:
1
& Number of diagram pages:
None
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.