Invention Grant
- Patent Title: Pot for use in annealing and carbonizing metals
- Patent Title (中): 锅用于退火和碳化金属
-
Application No.: US47542921Application Date: 1921-06-06
-
Publication No.: US1406744APublication Date: 1922-02-14
- Inventor: MCCARREN JOSEPH G
- Applicant: MCCARREN JOSEPH G
- Assignee: Joseph G Mccarren
- Current Assignee: Joseph G Mccarren
- Priority: US47542921 1921-06-06
- Main IPC: C21D9/00
- IPC: C21D9/00
Information query
