Drilldown: Patents

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Patents > Office: FR & Tech fields : balloon or propulsion or stability or None & Filing date: 1910 - 1919 & Patent agent : Sigmund Herzog or None & IPCs: None

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CPC B64C39/00 (96) · CPC B64C2700/6295 (90) · CPC B64C17/00 (84) · CPC B64C23/005 (44) · CPC B64C3/385 (38) · CPC B64C2700/6274 (36) · CPC B64C33/02 (35) · CPC B64C3/00 (29) · CPC B64C35/00 (27) · CPC B64C2700/6212 (27) · CPC B64C13/00 (23) · CPC B64C2700/6219 (21) · CPC B64C1/00 (21) · CPC B64C2700/6256 (21) · CPC B64C2700/6218 (20) · CPC B64C2700/6235 (16) · CPC B64C2700/6228 (14) · CPC B64C11/006 (14) · CPC B64C2700/6214 (13)
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