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公开(公告)号:US2118309A
公开(公告)日:1938-05-24
申请号:US8633536
申请日:1936-06-20
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
IPC: B02B3/10
CPC classification number: B02B3/10
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公开(公告)号:US1815204A
公开(公告)日:1931-07-21
申请号:US39461029
申请日:1929-09-23
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
IPC: B23C3/20
CPC classification number: B23C3/20 , Y10T409/301624
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公开(公告)号:US1753206A
公开(公告)日:1930-04-08
申请号:US32042028
申请日:1928-11-19
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
IPC: B44B1/02
CPC classification number: B44B1/02 , Y10T409/301624
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公开(公告)号:US1250586A
公开(公告)日:1917-12-18
申请号:US3462715
申请日:1915-06-17
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
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公开(公告)号:US906140A
公开(公告)日:1908-12-08
申请号:US1908433298
申请日:1908-05-16
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
CPC classification number: A01B13/02
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公开(公告)号:US2127999A
公开(公告)日:1938-08-23
申请号:US11171536
申请日:1936-11-19
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
IPC: B65H49/38
CPC classification number: B65H49/38 , B65H2701/31
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公开(公告)号:US1639090A
公开(公告)日:1927-08-16
申请号:US60765922
申请日:1922-12-18
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
IPC: B23B3/00
CPC classification number: B23B3/00 , Y10T82/25 , Y10T82/2543 , Y10T82/2566
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公开(公告)号:US1228214A
公开(公告)日:1917-05-29
申请号:US6219215
申请日:1915-11-18
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
CPC classification number: E04F21/22
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公开(公告)号:US1187327A
公开(公告)日:1916-06-13
申请号:US8143416
申请日:1916-03-01
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
CPC classification number: A01D7/06
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公开(公告)号:US1163347A
公开(公告)日:1915-12-07
申请号:US1913773738
申请日:1913-06-14
Applicant: JOHNSON JOHN E
Inventor: JOHNSON JOHN E
IPC: B61L3/04
CPC classification number: B61L3/04
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