Invention Grant
- Patent Title: Electron discharge device
-
Application No.: US40113241Application Date: 1941-07-05
-
Publication No.: US2302786APublication Date: 1942-11-24
- Inventor: DWYER MCGEE JAMES , HAROLD MILLER , PERCIVAL FREEMAN GEORGE STANLE
- Applicant: EMI LTD
- Assignee: Emi Ltd
- Current Assignee: Emi Ltd
- Priority: GB233060X 1940-05-02; GB290441X 1941-04-29; GB10541X 1941-05-01
- Main IPC: H01J29/52
- IPC: H01J29/52 ; H01J29/74 ; H01J29/84
Information query
