中科微点-全球专利检索

  1. Login
  2. Sign Up
Invention Grant
US835833A Chart for keeping records of bridge-whist. 失效
保持桥梁记录的图表。

  • Patent Title: Chart for keeping records of bridge-whist.
  • Patent Title (中): 保持桥梁记录的图表。
  • Application No.: US1906311651
    Application Date: 1906-04-14
  • Publication No.: US835833A
    Publication Date: 1906-11-13
  • Inventor: RUSSELL JAMES E
  • Applicant: RUSSELL JAMES E
  • Assignee: James E Russell
  • Current Assignee: James E Russell
  • Priority: US1906311651 1906-04-14
Chart for keeping records of bridge-whist.
Information query
Espacenet
Patent Agency Ranking
0/0