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公开(公告)号:US1669921A
公开(公告)日:1928-05-15
申请号:US10115826
申请日:1926-04-10
Applicant: PAYSON SMITH E
Inventor: WILLIAM WRIGHT
IPC: B61H13/34
CPC classification number: B61H13/34 , Y10T74/20516
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公开(公告)号:US1718912A
公开(公告)日:1929-06-25
申请号:US8333026
申请日:1926-01-23
Applicant: PAYSON SMITH E
Inventor: WILLIAM WRIGHT
CPC classification number: F16L3/10 , B60T17/046
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公开(公告)号:US1687533A
公开(公告)日:1928-10-16
申请号:US4844825
申请日:1925-08-06
Applicant: PAYSON SMITH E
Inventor: WILLIAM WRIGHT
IPC: B61G9/20
CPC classification number: B61G9/20
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公开(公告)号:US1657875A
公开(公告)日:1928-01-31
申请号:US5052925
申请日:1925-08-15
Applicant: PAYSON SMITH E
Inventor: WILLIAM WRIGHT
IPC: B61H13/34
CPC classification number: B61H13/34 , Y10T29/49295 , Y10T74/2142
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公开(公告)号:US1687534A
公开(公告)日:1928-10-16
申请号:US10115726
申请日:1926-04-10
Applicant: PAYSON SMITH E
Inventor: WILLIAM WRIGHT
IPC: B61H13/04
CPC classification number: B61H13/04 , Y10T74/20516
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公开(公告)号:US1715023A
公开(公告)日:1929-05-28
申请号:US10115626
申请日:1926-04-10
Applicant: PAYSON SMITH E
Inventor: WILLIAM WRIGHT
IPC: B61H13/04
CPC classification number: B61H13/04 , Y10T74/20516
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