Drilldown: Patents
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Patents > Office :
AT or
DEG or
IN
& Applicant type :
INDIV or
None
& Applicant is inventor:
Yes
& Grant date:
1914
& National tech categories :
AT 49b or
USPC 244/90R
& CPCs:
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.