中科微点-全球专利检索

  1. Login
  2. Sign Up
Invention Grant
US959641A Switchboard for dental, medical, or surgical purposes. 失效
用于牙科，医疗或手术用途的开关。

  • Patent Title: Switchboard for dental, medical, or surgical purposes.
  • Patent Title (中): 用于牙科，医疗或手术用途的开关。
  • Application No.: US1909506169
    Application Date: 1909-07-06
  • Publication No.: US959641A
    Publication Date: 1910-05-31
  • Inventor: STERN DAVID
  • Applicant: STERN DAVID
  • Assignee: David Stern
  • Current Assignee: David Stern
  • Priority: US1909506169 1909-07-06
Switchboard for dental, medical, or surgical purposes.
Information query
Espacenet
Patent Agency Ranking
0/0