Spike.
    80.
    发明授权
    Spike. 失效

    公开(公告)号:US865425A

    公开(公告)日:1907-09-10

    申请号:US1907376982

    申请日:1907-06-03

    Applicant: MCNEIL JOHN

    Inventor: MCNEIL JOHN

    CPC classification number: F16B15/06

Patent Agency Ranking