Invention Grant
- Patent Title: Plastic composition and method of making the same.
- Patent Title (中): 塑料组合物及其制备方法。
-
Application No.: US487015Application Date: 1915-01-28
-
Publication No.: US1183446APublication Date: 1916-05-16
- Inventor: FREEMAN WALTER K
- Applicant: FREEMAN WALTER K
- Assignee: Walter K Freeman
- Current Assignee: Walter K Freeman
- Priority: US487015 1915-01-28
Public/Granted literature
- US4498024A Synchronous electrodynamic machine with permanent magnets and cooled by a liquid Public/Granted day:1985-02-05
Information query