Drilldown: Patents
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Patents > Office 
:
AT or
DEG or
IT or
NO
& Applicant is inventor:
Yes
& IPCs :
IPC B64C23/00 or
IPC B64C3/38 or
None
& Number of claims:
None
:
AT or
DEG or
IT or
NO
& Applicant is inventor:
Yes
& IPCs :
IPC B64C23/00 or
IPC B64C3/38 or
None
& Number of claims:
None Use the filters below to narrow your results.
Year filed:
Year granted:
Office: (Click arrow to add another value)
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None (67) ·
AT 21a (1) ·
AT 42i (1) ·
AT 77 (3) ·
AT 77d (29) ·
DE 77 (1) ·
DE 77h (13) ·
IT 8 (96) ·
Klasse 77 (1) ·
NO 46 (1) ·
NO 77 (1)
IPCs: (Click arrow to add another value)
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Citations from after 1930:
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Showing below up to 213 results in range #1 to #213.
