Invention Grant
US748059A Feed-regulator for hoppers. 失效
喂食者的饲养者。

  • Patent Title: Feed-regulator for hoppers.
  • Patent Title (中): 喂食者的饲养者。
  • Application No.: US1902134569
    Application Date: 1902-12-09
  • Publication No.: US748059A
    Publication Date: 1903-12-29
  • Inventor: FERRELL ALBERT T
  • Applicant: FERRELL ALBERT T
  • Assignee: Albert T Ferrell
  • Current Assignee: Albert T Ferrell
  • Priority: US1902134569 1902-12-09
Feed-regulator for hoppers.
Information query
Patent Agency Ranking
0/0