Drilldown: Patents
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Patents > Inventor country :
DE or
NL
& Applicant type:
INDIV
& Full specification filed date:
1901
& Application number :
hybrid or
None
& Assigned to :
Sperry Gyroscope Company or
Western Electric Company or
None
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.