Invention Grant
- Patent Title: Shell mold making machines
- Patent Title (中): 壳模制造机
-
Application No.: US37741953Application Date: 1953-08-31
-
Publication No.: US2804661APublication Date: 1957-09-03
- Inventor: HUTCHINSON THOMAS K , KEMP HUTCHINSON OLIVER C
- Applicant: HUTCHINSON THOMAS K , KEMP HUTCHINSON OLIVER C
- Assignee: Thomas K Hutchinson,Hutchinson Oliver C Kemp
- Current Assignee: Thomas K Hutchinson,Hutchinson Oliver C Kemp
- Priority: US37741953 1953-08-31
- Main IPC: B22C23/00
- IPC: B22C23/00
Information query
