Invention Grant
- Patent Title: Apparatus for preparing granular or the like materials
- Patent Title (中): 用于制备颗粒状或类似材料的装置
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Application No.: US16988727Application Date: 1927-02-21
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Publication No.: US1773202APublication Date: 1930-08-19
- Inventor: ROSENFIELD JOSEPH L
- Applicant: ROSENFIELD JOSEPH L
- Assignee: Joseph L Rosenfield
- Current Assignee: Joseph L Rosenfield
- Priority: US16988727 1927-02-21; US12569826 1926-07-29
- Main IPC: A23F5/04
- IPC: A23F5/04 ; A23N12/10
Public/Granted literature
- US11323082B2 Class-D amplifier which can suppress differential mode power noise Public/Granted day:2022-05-03
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