- 专利标题: Automatic foul line keeper
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申请号: US61261145申请日: 1945-08-25
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公开(公告)号: US2425257A公开(公告)日: 1947-08-05
- 发明人: MACLAGAN JAMES A , WALSH THADDEUS A
- 申请人: PIONEER TRUST & SAVINGS BANK O
- 专利权人: Pioneer Trust & Savings Bank O
- 当前专利权人: Pioneer Trust & Savings Bank O
- 优先权: US61261145 1945-08-25; US38997641 1941-04-23
- 主分类号: A63D1/06
- IPC分类号: A63D1/06