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Patents > Filing date: 1911 & IPCs: None & Number of figures: 3-4

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Inventors:
None (7) · Romeo Wankmüller (2) · William Randolph Smith (2) · Dőry Béla Jobaházi (2) · Dane Hurlburt (2) · Max Raabe (2)
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Applicant person:
None (14) · Romeo Wankmüller (2) · William Randolph Smith (2) · Dőry Béla Jobaházi (2) · Dane Hurlburt (2) · Max Raabe (2)
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None (25)
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Patent agent:
None (46) · Victor J. Evans (10) · Guido Lacerdote (2) · None (2) · Watson E. Coleman (2)
National tech categories:
None (16) · HU V/h (13) · AT 77d (7) · USPC 244/80 (3) · USPC 244/46 (3) · USPC 244/76R (3) · USPC 244/144 (3) · DK 77 (3) · USPC 244/45R (2) · USPC 244/39 (2) · USPC 244/38 (2) · USPC 244/22 (2) · USPC 244/219 (2) · USPC 244/79 (2) · USPC 244/5 (2) · USPC 244/129.1 (2) · USPC 244/91 (2) · AU 90.3 (2) · USPC 244/48 (2)
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CPCs:
None (37) · CPC B64C3/385 (6) · CPC B64C13/24 (4) · CPC B64C17/00 (4) · CPC B64C39/005 (3) · CPC B64C39/08 (2) · CPC B64C33/02 (2) · CPC B64C3/40 (2) · CPC B64C2700/6295 (2) · CPC B64C23/005 (2) · CPC B64C2201/00 (2) · CPC B64C21/02 (2) · CPC B64C17/06 (2) · CPC B64C3/14 (2)
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