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1.Forward and reverse means for the driving and braking of industrial hand trucks 失效
Title translation: 前进和后退工业手推车的制动和制动公开(公告)号:US2712857A
公开(公告)日:1955-07-12
申请号:US23928151
申请日:1951-07-30
Applicant: PAUL J ISAACSON , F T ISAACSON
Inventor: RODNEY JACKSON
IPC: B60K17/04
CPC classification number: B60K17/04 , Y10T74/19488 , Y10T74/20894
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2.Load supporting and clamping arms for hand trucks with tiltable carrier frames 失效
Title translation: 负载支撑和夹紧手臂用于具有可倾斜的承载架的手推车公开(公告)号:US2643013A
公开(公告)日:1953-06-23
申请号:US25025451
申请日:1951-10-08
Applicant: PAUL J ISAACSON , F T ISAACSON
Inventor: RODNEY JACKSON
IPC: B66F9/18
CPC classification number: B66F9/18
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公开(公告)号:US2663440A
公开(公告)日:1953-12-22
申请号:US25025551
申请日:1951-10-08
Applicant: PAUL J ISAACSON , F T ISAACSON
Inventor: RODNEY JACKSON
CPC classification number: B62B1/264 , B62B3/0612 , B62B2202/02 , B62B2203/10 , B62B2203/42
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公开(公告)号:US2682349A
公开(公告)日:1954-06-29
申请号:US23889351
申请日:1951-07-27
Applicant: PAUL J ISAACSON , F T ISAACSON
Inventor: RODNEY JACKSON
IPC: B66F9/06
CPC classification number: B66F9/06 , Y10S414/126
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公开(公告)号:US2682347A
公开(公告)日:1954-06-29
申请号:US26614052
申请日:1952-01-12
Applicant: PAUL J ISAACSON , F T ISAACSON
Inventor: RODNEY JACKSON
CPC classification number: B66F9/18 , B62B3/0612 , B62B2203/00
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