-
Patent Agency Ranking
公开(公告)号：US2870489A
公开(公告)日：1959-01-27
申请号：US34972053
申请日：1953-04-20
Applicant: DAYTON RUBBER COMPANY
Inventor： JOSEPH ROCKOFF
IPC: D01H5/74
CPC classification number: D01H5/80 , D01H2700/245
-
公开(公告)号：US2775264A
公开(公告)日：1956-12-25
申请号：US36290153
申请日：1953-06-19
Applicant: DAYTON RUBBER COMPANY
Inventor： JOSEPH ROCKOFF
IPC: D03D49/38
CPC classification number: D03D49/38
-
公开(公告)号：US2766801A
公开(公告)日：1956-10-16
申请号：US34217553
申请日：1953-03-13
Applicant: DAYTON RUBBER COMPANY
Inventor： JOSEPH ROCKOFF
CPC classification number: B60C1/00 , B60C13/00 , Y10T152/10855
-
公开(公告)号：US2766800A
公开(公告)日：1956-10-16
申请号：US32961953
申请日：1953-01-05
Applicant: DAYTON RUBBER COMPANY
Inventor： JOSEPH ROCKOFF
IPC: B60C11/14
CPC classification number: B60C11/14
-
公开(公告)号：US2671249A
公开(公告)日：1954-03-09
申请号：US12680849
申请日：1949-11-12
Applicant: DAYTON RUBBER COMPANY
Inventor： JOSEPH ROCKOFF
IPC: D01H5/74
CPC classification number: D01H5/80 , D01H5/86 , D01H2700/245
-
-
-
-
Search Results
25
records
(took 0.012 seconds)
