Invention Grant
- Patent Title: Bulb for incandescent electric lamps.
- Patent Title (中): 防爆电动机灯泡。
-
Application No.: US1905260547Application Date: 1905-05-15
-
Publication No.: US794028APublication Date: 1905-07-04
- Inventor: KINTZ ROBERT R
- Applicant: INTERNAT SILVER CO
- Assignee: Internat Silver Co
- Current Assignee: Internat Silver Co
- Priority: US1905260547 1905-05-15
Information query