P

Inventor

GROBER DAVID E

US8 patents
⚠️ This page may combine multiple inventors who share the name “GROBER DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATTEL INC

5 patents
US5312284AMay 17, 1994

Incrementally moved cylindrical lens display system for toy

MATTEL INC22 citations91
US6964634B2Nov 15, 2005

Jumping device with convertible stabilizing base

MATTEL INC16 citations82
US9220991B2Dec 29, 2015

Children's ride-on vehicles and play systems incorporating wheel and track assemblies

MATTEL INC3 citations60
US6672189B1Jan 6, 2004

Construction toy device and method of using the same

MATTEL INC5 citations60
US9221470B2Dec 29, 2015

Children's ride-on vehicles and play systems incorporating wheel and track assemblies

MATTEL INC1 citations48

(unassigned)

2 patents
US6611662B1Aug 26, 2003

Autonomous, self leveling, self correcting stabilized platform

65 citations93
US6718130B2Apr 6, 2004

Stabilized camera and marker buoy for media coverage of aquatic events

24 citations90

GROBER DAVID E

1 patent
US7490572B2Feb 17, 2009

Autonomous, self leveling, self correcting anti-motion sickness chair, bed and table

GROBER DAVID E37 citations88