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Inventor
DEPPEN JOHN F
US
4 patents
⚠️ This page may combine multiple inventors who share the name “DEPPEN JOHN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMSTED IND INC
2 patents
US6681943B2
Jan 27, 2004
Railcar draft gear assembly and system
AMSTED IND INC
52 citations
94
US6446820B1
Sep 10, 2002
Railcar draft gear assembly and system
AMSTED IND INC
76 citations
94
KEYSTONE IND INC
1 patent
US5746335A
May 5, 1998
Double acting center-of-car cushioning device
KEYSTONE IND INC
17 citations
79
ASF KEYSTONE INC
1 patent
US6986432B2
Jan 17, 2006
Common cast draft sill for type E and F draft gear
ASF KEYSTONE INC
8 citations
65