-
公开(公告)号:US2132826A
公开(公告)日:1938-10-11
申请号:US7422836
申请日:1936-04-13
Applicant: NEWCOMB DAVID COMPANY INC
Inventor: LUDWIG JOHN E
IPC: B05B15/12
CPC classification number: B05B15/1277 , B05B15/1222 , B05B15/1262 , Y10S55/46 , Y10S118/07
-
公开(公告)号:US1767869A
公开(公告)日:1930-06-24
申请号:US31590028
申请日:1928-10-29
Applicant: NEWCOMB DAVID COMPANY INC
Inventor: BAUMGARTEN HUGO C
IPC: F24F11/00
CPC classification number: F24F11/0001
-
公开(公告)号:US2097953A
公开(公告)日:1937-11-02
申请号:US1346335
申请日:1935-03-28
Applicant: NEWCOMB DAVID COMPANY INC
Inventor: LUDWIG JOHN E
IPC: B05B15/12
CPC classification number: B05B15/1262 , Y10S55/46 , Y10S118/07
-
公开(公告)号:US1842416A
公开(公告)日:1932-01-26
申请号:US31564928
申请日:1928-10-29
Applicant: NEWCOMB DAVID COMPANY INC
Inventor: LUDWIG JOHN E
IPC: B65G53/00
CPC classification number: B65G53/00 , B65G2812/1666
-
-
-