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Search results for: Clark, William


 
  • Patent:US435399 02.09.1890 Clark, William (P) Lovell (P) Mfg. Comp. : Combined cash register and indicator and adding-machine
  • Patent:US435400 02.09.1890 Clark, William (P) Lovell (P) Mfg. Comp. : Cash indicator and register
  • Patent:US444391 06.01.1891 Clark, William (P) Lovell (P) Mfg. Comp. : Cash register and indicator
  • Patent:US496339 25.04.1893 Clark, William (P) Erie Cash Register Comp. : Cash-register mechanism
  • Patent:US496340 25.04.1893 Clark, William (P) Erie Cash Register Comp. : Key-locking and key-coupling mechanism for cash-registers
  • Patent:US496341 25.04.1893 Clark, William (P) Erie Cash Register Comp. : Cash-register
  • Patent:US506471 10.10.1893 Clark, William (P) Erie Cash Register Comp. : Cash-register
  • Patent:US516984 20.03.1894 Clark, William (P) Benjamin B. Brown : Counting-machine
  • Patent:US516985 20.03.1894 Clark, William (P) Benjamin B. Brown : Adding machine
  • Patent:US527943 23.10.1894 Clark, William (P) B. B. Brown : Calculator

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