Invention Grant
- Patent Title: Porthole for ships
- Patent Title (中): 船舷孔
-
Application No.: US16406427Application Date: 1927-01-27
-
Publication No.: US1744806APublication Date: 1930-01-28
- Inventor: LUDER SCHRIEVER , ALFRED MICHAEL
- Applicant: LUDER SCHRIEVER , ALFRED MICHAEL
- Assignee: Schriever Luder,Michael Alfred
- Current Assignee: Schriever Luder,Michael Alfred
- Priority: DE1744806X 1926-06-23
- Main IPC: B63B19/00
- IPC: B63B19/00 ; B63J2/04
Public/Granted literature
- US10930236B2 Gate driver and display device having the same Public/Granted day:2021-02-23
Information query
