中科微点-全球专利检索

  1. Login
  2. Sign Up
Invention Grant
US662693A Copying-machine. 失效
复印机。

  • Patent Title: Copying-machine.
  • Patent Title (中): 复印机。
  • Application No.: US1899741307
    Application Date: 1899-12-22
  • Publication No.: US662693A
    Publication Date: 1900-11-27
  • Inventor: KLEIN ADOLPH
  • Applicant: KLEIN ADOLPH
  • Assignee: Adolph Klein
  • Current Assignee: Adolph Klein
  • Priority: US1899741307 1899-12-22
Copying-machine.
Information query
Espacenet
Patent Agency Ranking
0/0