Invention Grant
- Patent Title: Pulverizing mill
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Application No.: US15617517Application Date: 1917-03-20
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Publication No.: US1451153APublication Date: 1923-04-10
- Inventor: HOLT FRASER GEORGE
- Applicant: HOLT FRASER GEORGE
- Assignee: Fraser George Holt
- Current Assignee: Fraser George Holt
- Priority: US15617517 1917-03-20
- Main IPC: B02C15/06
- IPC: B02C15/06
Public/Granted literature
- US10605791B2 Device for taking and analyzing a gaseous sample Public/Granted day:2020-03-31
Information query
