Drilldown: Patents

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Patents > Office : DE or US & Tech fields : LTA or balloon & Citations from after 1930: 2-2000

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USPC 244/97 (5) · None (4) · USPC 244/25 (3) · USPC 244/32 (3) · USPC 244/110G (3) · USPC 244/30 (3) · USPC 244/64 (2) · USPC 244/66 (2) · USPC 244/73R (2) · USPC 244/29 (2) · USPC 52/162 (2) · USPC 244/52 (2)
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Showing below up to 43 results in range #1 to #43.

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