Inventor

GRAHAM MICHAEL D

US8 patents

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

BISSELL HOMECARE INC

3 patents

US10188252B2Jan 29, 2019

BISSELL INC

3 patents

US11641989B2May 9, 2023

Brushroll for vacuum cleaner

BISSELL INC0 citations61

US12114820B2Oct 15, 2024

Surface cleaning apparatus

BISSELL INC0 citations60

US12059109B2Aug 13, 2024

Surface cleaning apparatus

BISSELL INC0 citations60

ULLRICH CHRISTOPHER J

1 patent

US8217769B2Jul 10, 2012

Actuating a tactile sensation in response to a sensed event

ULLRICH CHRISTOPHER J11 citations82

IMMERSION CORP

1 patent

US7898396B2Mar 1, 2011

Actuating a tactile sensation in response to a sensed event

IMMERSION CORP6 citations72