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公开(公告)号:US2110028A
公开(公告)日:1938-03-01
申请号:US1730135
申请日:1935-04-19
Applicant: PHILIPP SCHWARZ
Inventor: PHILIPP SCHWARZ
IPC: G03B17/30
CPC classification number: G03B17/30 , G03B2217/261
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公开(公告)号:US1726242A
公开(公告)日:1929-08-27
申请号:US24799428
申请日:1928-01-19
Applicant: PHILIPP SCHWARZ
Inventor: PHILIPP SCHWARZ
IPC: B21D28/08
CPC classification number: B21D28/08
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公开(公告)号:US1858309A
公开(公告)日:1932-05-17
申请号:US49812730
申请日:1930-11-25
Applicant: PHILIPP SCHWARZ
Inventor: PHILIPP SCHWARZ
IPC: A47G25/76
CPC classification number: A47G25/76
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公开(公告)号:US1739524A
公开(公告)日:1929-12-17
申请号:US21273727
申请日:1927-08-13
Applicant: PHILIPP SCHWARZ
Inventor: PHILIPP SCHWARZ
IPC: B21D53/48
CPC classification number: B21D53/48
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5.
公开(公告)号:US2006281A
公开(公告)日:1935-06-25
申请号:US64435832
申请日:1932-11-25
Applicant: PHILIPP SCHWARZ
Inventor: PHILIPP SCHWARZ
IPC: B65H75/14
CPC classification number: B65H75/14 , B65H2402/414 , B65H2701/5134 , Y10T29/4949 , Y10T29/49909 , Y10T29/4994
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公开(公告)号:US1979412A
公开(公告)日:1934-11-06
申请号:US67617633
申请日:1933-06-16
Applicant: PHILIPP SCHWARZ
Inventor: PHILIPP SCHWARZ
IPC: G03B17/30
CPC classification number: G03B17/30 , G03B2217/261
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