Invention Grant
- Patent Title: Improved petroleum product and art of wood preservation
- Patent Title (中): 改进石油产品和木材保鲜艺术
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Application No.: US68147023Application Date: 1923-12-19
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Publication No.: US1873582APublication Date: 1932-08-23
- Inventor: HAMPTON WILLIAM H , FARRINGTON BRUCE B
- Applicant: STANDARD OIL CO CALIFORNIA
- Assignee: Standard Oil Co California
- Current Assignee: Standard Oil Co California
- Priority: US68147023 1923-12-19
- Main IPC: B27K3/48
- IPC: B27K3/48
Information query
