Invention Grant
- Patent Title: Process for making angularly bent drinking tubes
- Patent Title (中): 制作角度弯曲饮水管的工艺
-
Application No.: US32916340Application Date: 1940-04-11
-
Publication No.: US2316700APublication Date: 1943-04-13
- Inventor: MALTBY SIDNEY T
- Applicant: STONE STRAW CORP
- Assignee: Stone Straw Corp
- Current Assignee: Stone Straw Corp
- Priority: US32916340 1940-04-11
- Main IPC: A47G21/18
- IPC: A47G21/18 ; B05C1/08 ; B29C31/00 ; B29C53/08 ; B29C57/10
Information query
