Inventor
WARNER ROBERT J
US19 patents
⚠️ This page may combine multiple inventors who share the name “WARNER ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KELLEY CO INC
8 patentsUS5450643ASep 19, 1995
Edge-of-dock leveler
KELLEY CO INC47 citations96
US5139074AAug 18, 1992
Industrial door having flexible and releasable beam
KELLEY CO INC55 citations96
US5129442AJul 14, 1992
Roll-up industrial door having a combined pulley for counterweight and spring tension belts
KELLEY CO INC54 citations96
US5249905AOct 5, 1993
Automatic wheel chocking apparatus having an improved drive mechanism
KELLEY CO INC81 citations94
US5621938AApr 22, 1997
Edge-of-dock leveler and method of making
KELLEY CO INC22 citations92
US5481774AJan 9, 1996
Support mechanism for a dockleveler lift bag
KELLEY CO INC29 citations92
US5446938ASep 5, 1995
Bag construction for a dockleveler
KELLEY CO INC29 citations91
US5651155AJul 29, 1997
Support mechanism for a dockleveler lift bag
KELLEY CO INC35 citations90
SPRING LINE INC
4 patentsUS5433007AJul 18, 1995
Self-centering impact hand tool
SPRING LINE INC18 citations71
US5426858AJun 27, 1995
Combination center punch and prick punch
SPRING LINE INC11 citations71
USD354663SJan 24, 1995
Impact hand tool
SPRING LINE INC15 citations71
US5307741AMay 3, 1994
Impact hand stamping device
SPRING LINE INC8 citations71