Drilldown: Patents
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- Airplane (18)
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- Letters (683)
- Organizations (964)
- Patents (17538)
- Person (2108)
- Publications (24558)
- Techtypes (2373)
Patents > Applicant type :
Hermann Burkardt or
INDIV
& Supplementary to patent :
Patent GB-1908-4519 or
Patent HU-1901-24148 or
None
& National tech categories:
USPC 244/32
& CPCs :
CPC B64B1/40 or
CPC B64C2700/6212
Use the filters below to narrow your results.
None (1) ·
balloon (1) ·
balloons (2) ·
control (1) ·
dirigible (2) ·
frame (1) ·
fun (1) ·
instrument (1) ·
LTA (5) ·
military (1) ·
navigation (1) ·
parachute (5) ·
propeller (1) ·
safety (2) ·
stability (1)
Showing below up to 9 results in range #1 to #9.