Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : CL or DE or DK or IT or NO or US & Tech fields : balloon or safety or None & Granted: Yes & Assigned to: None

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None (1401) · Victor J. Evans (22) · Munn & Co. (19) · None (8) · C. A. Snow & Co. (7) · Sigmund Herzog (4) · C. C. Hines (4) · W. J. FitzGerald & Co. (3) · H. C. Evert & Co. (3) · Randolph, Jr. (3)
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IPCs:
None (1554) · IPC B64B1/00 (10) · IPC B64C39/00 (7) · IPC B64C13/00 (5) · IPC B64C3/00 (4) · IPC CPC B64C13/00 (3) · IPC B64C27/00 (3) · IPC B64B1/58 (3) · IPC B64C25/00 (3) · IPC B64B1/60 (2) · IPC B64B 1/00 (2) · IPC B64D25/00 (2) · IPC B64D25/12 (2) · IPC B64B1/08 (2) · IPC B64D17/00 (2) · IPC B64B1/62 (2) · IPC B64C33/00 (2)
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Citations from after 1930:

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