Drilldown: Patents
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Patents > Office:
US
& Inventor country :
CH or
DE or
HU or
NL
& Applicant type :
COMPANY+INDIV or
Hermann Burkardt or
INDIV
& Supplementary to patent:
None
& CPCs :
CPC B64B1/40 or
CPC B64C23/005 or
None
Use the filters below to narrow your results.
None (3) ·
airplane (1) ·
ballast (1) ·
balloon (2) ·
car (1) ·
design (2) ·
equilibrium (1) ·
frame (1) ·
LTA (2) ·
military (1) ·
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parachutes (1) ·
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safety (1) ·
stability (2) ·
wings (1)
Showing below up to 7 results in range #1 to #7.