Inventor

KEIFER JAMES

US5 patents

⚠️ This page may combine multiple inventors who share the name “KEIFER JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATTEL INC

2 patents

US5887872AMar 30, 1999

Memory game having sequentially opened capsules

MATTEL INC11 citations69

USD487116SFeb 24, 2004

Castle-shaped handheld electronic game

MATTEL INC4 citations60

HOYT DAVID L

1 patent

US8556696B2Oct 15, 2013

System and method for puzzle solving utilizing letter and visual representations

HOYT DAVID L7 citations75

MCANDREW CHRISTOPHER BRYAN

1 patent

US8448947B2May 28, 2013

Game, method of play, and stackable members such as cards which may be used for a game

MCANDREW CHRISTOPHER BRYAN3 citations50

SPIN MASTER LTD

1 patent

US8814165B2Aug 26, 2014

Game, method of play, and stackable members such as cards which may be used for a game

SPIN MASTER LTD1 citations45