Drilldown: Patents
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Patents > Year filed:
1900 - 1909
& Inventor country
:
CH
or
RU
or
None
& Applicant type
:
Hermann Burkardt
or
INDIV
or
INDIV + COMPANY
& Filing date:
1907
& IPCs
:
IPC B64B1/58
or
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None (2) ·
AT 77d (1) ·
BE K (2) ·
DK 77 (2) ·
FR 6.2 (1) ·
FR 6.4 (1) ·
IT 8 (1) ·
Klasse 77 (1) ·
RU Group V (1)
Showing below up to 11 results in range #1 to #11.
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