-
公开(公告)号:US2741285A
公开(公告)日:1956-04-10
申请号:US30059352
申请日:1952-07-24
Applicant: LEE OSCAR C
Inventor: LEE OSCAR C
CPC classification number: A01K97/04 , B26D3/00 , Y10T83/75 , Y10T83/8794 , Y10T83/9372
-
公开(公告)号:US2783581A
公开(公告)日:1957-03-05
申请号:US29867652
申请日:1952-07-14
Applicant: LEE OSCAR C
Inventor: LEE OSCAR C
IPC: A01M25/00
CPC classification number: A01M25/006
-
公开(公告)号:US3323776A
公开(公告)日:1967-06-06
申请号:US50155365
申请日:1965-10-22
Applicant: LEE OSCAR C
Inventor: LEE OSCAR C
IPC: F16G3/00
CPC classification number: F16G3/006
-
公开(公告)号:US3004274A
公开(公告)日:1961-10-17
申请号:US58305456
申请日:1956-05-07
Applicant: LEE OSCAR C
Inventor: LEE OSCAR C
CPC classification number: A01J7/025
-
-
-