Invention Grant
- Patent Title: Coil fastener
- Patent Title (中): 线圈紧固件
-
Application No.: US10795861Application Date: 1961-05-05
-
Publication No.: US3147529APublication Date: 1964-09-08
- Inventor: HUGO WILCKEN
- Applicant: WALTER ERICH HEILMANN
- Assignee: Walter Erich Heilmann
- Current Assignee: Walter Erich Heilmann
- Priority: DE3147529X 1960-05-09
- Main IPC: A44B19/40
- IPC: A44B19/40
Public/Granted literature
- US20040169370A1 Coupling device for polymeric pipes Public/Granted day:2004-09-02
Information query
