Invention Grant
- Patent Title: Reels or the like
- Patent Title (中): 卷轴等
-
Application No.: US16539862Application Date: 1962-01-10
-
Publication No.: US3089585APublication Date: 1963-05-14
- Inventor: SEFF FREDERIC A
- Applicant: SEFF FREDERIC A
- Assignee: Frederic A Seff
- Current Assignee: Frederic A Seff
- Priority: US16539862 1962-01-10
- Main IPC: G03B21/32
- IPC: G03B21/32 ; G11B15/67
Public/Granted literature
- US10883129B2 Methods and compositions for degrading cellulosic material Public/Granted day:2021-01-05
Information query
