Drilldown: Patents

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Patents > Office : DE or DK or IT or NO or US & Tech fields : balloon or frame & Granted: Yes & Related to aircraft: Yes & Assigned to: None & Number of text pages: 3-50000000 & Number of diagram pages: 3-4

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Office: (Click arrow to add another value)
Inventors:
Albert Hugo Friedel (3) · Matthew B. Sellers (2)
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National tech categories:
USPC 244/90R (5) · None (4) · USPC 244/22 (3) · USPC 244/30 (2) · USPC 244/28 (2) · USPC 244/63 (2) · USPC 244/80 (2) · USPC 244/46 (2)
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Showing below up to 45 results in range #1 to #45.

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