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Patents > Supplementary to patent: None & Number of text pages: 4 & Number of diagram pages: 4

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None (2)
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None (14)
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None (16) · Munn & Co. (7) · Victor J. Evans (5) · John P. Tarbox (2) · None (2)
National tech categories:
None (21) · USPC 244/80 (4) · FR 6.4 (4) · USPC 244/233 (3) · USPC 244/15 (3) · USPC 244/22 (3) · USPC 244/51 (2) · USPC 244/30 (2) · USPC 244/119 (2) · USPC 244/93 (2) · USPC 244/139 (2) · HU V/h (2) · USPC 244/6 (2) · USPC 244/65 (2) · USPC 244/17.17 (2)
CPCs:
CPC B64C13/00 (6) · CPC B64C33/02 (6) · CPC B64C17/00 (6) · None (5) · CPC B64B1/00 (4) · CPC B64C3/385 (4) · CPC B64C2700/6295 (4) · CPC B64C23/005 (4) · CPC B64C30/00 (3) · CPC B64C39/00 (2) · CPC B64C9/00 (2) · CPC B64C33/00 (2) · CPC B64C39/08 (2) · CPC B64C35/00 (2)
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