中科微点-全球专利检索

  1. Login
  2. Sign Up
Invention Grant
US653205A Placer-mining dredge. 失效
采矿采矿设备

  • Patent Title: Placer-mining dredge.
  • Patent Title (中): 采矿采矿设备
  • Application No.: US1900003215
    Application Date: 1900-01-29
  • Publication No.: US653205A
    Publication Date: 1900-07-10
  • Inventor: BEHREND SAMUEL K
  • Applicant: BEHREND SAMUEL K
  • Assignee: Samuel K Behrend
  • Current Assignee: Samuel K Behrend
  • Priority: US1900003215 1900-01-29
Placer-mining dredge.
Information query
Espacenet
Patent Agency Ranking
0/0