Drilldown: Patents
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Patents > Year filed:
1890 - 1899
& Office :
DE or
RU or
SAX
& Inventor country :
CA or
DE
& Applicant type :
UNIV-PRO-GOV or
None
& Number of text pages:
1
& Number of figures:
2-5
Use the filters below to narrow your results.
None (1) ·
balloon (2) ·
car (1) ·
frame (1) ·
LTA (2) ·
navigation (1) ·
piloting (1) ·
propulsion (2) ·
subsystem (1)
Showing below up to 5 results in range #1 to #5.