-
公开(公告)号:US947841A
公开(公告)日:1910-02-01
申请号:US1905282111
申请日:1905-10-10
Applicant: NEWCOMB DAVID L
Inventor: NEWCOMB DAVID L
CPC classification number: G07C13/00
-
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:US1937970A
公开(公告)日:1933-12-05
申请号:US46614130
申请日:1930-07-07
Applicant: NEWCOMB DAVID CO INC
Inventor: LUDWIG JOHN E
IPC: F24F11/04
CPC classification number: F24F11/745 , Y10T137/7898
-
公开(公告)号:US1862272A
公开(公告)日:1932-06-07
申请号:US30313528
申请日:1928-08-31
Applicant: NEWCOMB DAVID CO INC
Inventor: LUDWIG JOHN E
CPC classification number: F23L11/005 , F23L17/16
-
15.
公开(公告)号:US967226A
公开(公告)日:1910-08-16
申请号:US1905281600
申请日:1905-10-06
Applicant: NEWCOMB DAVID L
Inventor: NEWCOMB DAVID L
CPC classification number: G06M1/163
-
公开(公告)号:US947840A
公开(公告)日:1910-02-01
申请号:US1902107359
申请日:1902-05-14
Applicant: NEWCOMB DAVID L
Inventor: NEWCOMB DAVID L
CPC classification number: G07C13/00
-
公开(公告)号:US881821A
公开(公告)日:1908-03-10
申请号:US1904209231
申请日:1904-05-23
Applicant: NEWCOMB DAVID L
Inventor: NEWCOMB DAVID L
CPC classification number: G07C13/00
-
公开(公告)号:US848843A
公开(公告)日:1907-04-02
申请号:US1903145931
申请日:1903-03-03
Applicant: NEWCOMB DAVID L
Inventor: NEWCOMB DAVID L
CPC classification number: A63B71/0672 , G06M1/02
-
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
-
公开(公告)号:US1108080A
公开(公告)日:1914-08-18
申请号:US1913796838
申请日:1913-10-23
Applicant: JOHN LAWRENCE , NEWCOMB DAVID L
Inventor: NEWCOMB DAVID L
CPC classification number: A63G1/18
-
-
-
-
-
-
-
-
-