Invention Grant
- Patent Title: Automatic telephone system.
- Patent Title (中): 自动电话系统
-
Application No.: US1901072942Application Date: 1901-08-22
-
Publication No.: US686892APublication Date: 1901-11-19
- Inventor: FALLER ERNEST A
- Applicant: JAMES W CHISHOLM , FALLER ERNEST A
- Assignee: James W Chisholm,Ernest A Faller
- Current Assignee: James W Chisholm,Ernest A Faller
- Priority: US1901072942 1901-08-22
Information query
