Invention Grant
- Patent Title: Transparent oil level indicator
- Patent Title (中): 透明油位指示器
-
Application No.: US42663242Application Date: 1942-01-13
-
Publication No.: US2302884APublication Date: 1942-11-24
- Inventor: ROBERT O'NEILL
- Applicant: ROBERT O'NEILL
- Assignee: O'neill Robert
- Current Assignee: O'neill Robert
- Priority: US42663242 1942-01-13
- Main IPC: G01F23/04
- IPC: G01F23/04
Information query
