Invention Grant
- Patent Title: Testing system
-
Application No.: US74414834Application Date: 1934-09-15
-
Publication No.: US2006472APublication Date: 1935-07-02
- Inventor: MILLER OHMER R
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Photowatt International SA
- Current Assignee: Photowatt International SA
- Priority: US74414834 1934-09-15
- Main IPC: H04Q1/24
- IPC: H04Q1/24
Information query
