Drilldown: Patents

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Patents > Office: FR & Tech fields : balloon or propulsion or stability or None & Filing date: 1910 - 1919 & Patent agent : None or Sigmund Herzog or None & IPCs: None & First filing: No

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CPC B64C39/00 (92) · CPC B64C2700/6295 (86) · CPC B64C17/00 (70) · CPC B64C23/005 (42) · CPC B64C2700/6274 (34) · CPC B64C3/385 (34) · CPC B64C33/02 (29) · CPC B64C35/00 (23) · CPC B64C2700/6212 (22) · CPC B64C13/00 (20) · CPC B64C1/00 (19) · CPC B64C3/00 (19) · CPC B64C2700/6256 (17) · CPC B64C2700/6219 (17) · CPC B64C2700/6218 (16) · CPC B64C2700/6228 (13) · CPC B64C2700/6214 (13) · CPC B64C11/006 (12)
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