Drilldown: Patents

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Patents > Office : DE or IN or NZ & Applicant type : 1 or AGENT or INDIV & Tech fields : airplane or balloon or lift or None & Grant date: 1900 - 1999 & IPCs: None

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None (10) · Rudolf Wagner (3) · Josef Deixler (2) · FRIEDRICH ERNST BENZING (2) · Emil Lehmann (2) · Hans Josef Goebbel (2)
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Showing below up to 51 results in range #1 to #51.

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