Invention Grant
- Patent Title: Highway sand spreader
- Patent Title (中): 高速公路撒布机
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Application No.: US13518337Application Date: 1937-04-05
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Publication No.: US2147219APublication Date: 1939-02-14
- Inventor: SEWARD ERIK W
- Applicant: SEWARD ERIK W
- Assignee: Erik W Seward
- Current Assignee: Erik W Seward
- Priority: US13518337 1937-04-05
- Main IPC: B60B39/06
- IPC: B60B39/06
Public/Granted literature
- US20120258313A1 COATING AGENTS AND COATED ARTICLES Public/Granted day:2012-10-11
Information query
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