Drilldown: Patents
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Patents > Year filed:
1903
& Applicant firm:
None
& Assigned to :
William Woods Plankinton or
None
& National tech categories :
USPC 244/3.23 or
USPC 244/30 or
None
& CPCs :
CPC B64C27/12 or
CPC B64C2700/6212
& Number of text pages:
1
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Showing below up to 1 result in range #1 to #1.