Invention Grant
- Patent Title: Yieldable door
- Patent Title (中): 可屈服的门
-
Application No.: US30057463Application Date: 1963-08-07
-
Publication No.: US3212561APublication Date: 1965-10-19
- Inventor: ECKEL OLIVER C
- Applicant: ECKEL OLIVER C
- Assignee: Oliver C Eckel
- Current Assignee: Oliver C Eckel
- Priority: US30057463 1963-08-07
- Main IPC: E06B3/80
- IPC: E06B3/80
Information query
IPC分类: