Inventor
HIPPELY KEITH
US15 patents
⚠️ This page may combine multiple inventors who share the name “HIPPELY KEITH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATTEL INC
10 patentsUS4917643AApr 17, 1990
Toy vehicle with thermochromic material
MATTEL INC81 citations95
US7387558B2Jun 17, 2008
Interactive toy vehicle
MATTEL INC58 citations94
US4732569AMar 22, 1988
Toy vehicle launcher
MATTEL INC65 citations94
US5503583AApr 2, 1996
Toy with thermochromic material
MATTEL INC95 citations92
US4767053AAug 30, 1988
Multifunction toy stunt set
MATTEL INC31 citations91
US5267888ADec 7, 1993
Toy vehicle having articulated wheel portions
MATTEL INC25 citations90
US7722430B2May 25, 2010
Toy vehicle with improved animated function
MATTEL INC15 citations83
US7637796B2Dec 29, 2009
Playset with obstacles and lane switches
MATTEL INC11 citations83
US7833081B2Nov 16, 2010
Toy vehicle having fanciful facial expression
MATTEL INC9 citations81
US7674150B2Mar 9, 2010
Toy with tethered pieces
MATTEL INC2 citations62