Invention Grant
- Patent Title: Apparatus for forming disk wheels or the like
- Patent Title (中): 用于形成盘轮等的装置
-
Application No.: US11533036Application Date: 1936-12-11
-
Publication No.: US2138115APublication Date: 1938-11-29
- Inventor: NELSON EMIL A
- Applicant: NELSON EMIL A
- Assignee: Emil A Nelson
- Current Assignee: Emil A Nelson
- Priority: US11533036 1936-12-11; US1255535 1935-03-23
- Main IPC: B21D53/26
- IPC: B21D53/26
Public/Granted literature
- US20070012907A1 Doped Semiconductor Nanocrystal Layers And Preparation Thereof Public/Granted day:2007-01-18
Information query
