Drilldown: Patents
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Patents > Year granted:
1923
& Office :
DE or
HU or
Other
& Applicant type:
COMPANY
& Assigned to:
None
& National tech categories :
DE 77h.5 or
USPC 244/153R
& CPCs :
CPC B64C2700/6295 or
CPC B64C3/00
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.