Invention Grant
- Patent Title: Method of forming rounded bottom conical paper cups
- Patent Title (中): 形成圆底圆锥形纸杯的方法
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Application No.: US9527849Application Date: 1949-05-25
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Publication No.: US2563633APublication Date: 1951-08-07
- Inventor: AMBERG WALTER E
- Applicant: LILY TULIP CUP CORP
- Assignee: Lily Tulip Cup Corp
- Current Assignee: Lily Tulip Cup Corp
- Priority: US9527849 1949-05-25; US78960847 1947-12-04
- Main IPC: B31B3/00
- IPC: B31B3/00
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