Invention Grant
- Patent Title: Electrical apparatus
-
Application No.: US65464123Application Date: 1923-07-30
-
Publication No.: US1714402APublication Date: 1929-05-21
- Inventor: SMITH CHARLES G
- Applicant: RAYTHEON INC
- Assignee: Raytheon Inc
- Current Assignee: Raytheon Inc
- Priority: US65464123 1923-07-30
- Main IPC: H01J21/18
- IPC: H01J21/18
Information query
