P

Inventor

CAMPBELL MARK D

US12 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL MARK D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CAMPBELL MARK D

3 patents
US5152391AOct 6, 1992

Hopper feed elevator

CAMPBELL MARK D13 citations71
USD340637SOct 26, 1993

Decorative door or cabinet knob

CAMPBELL MARK D7 citations64
US10488159B2Nov 26, 2019

Method, system and apparatus for implementing shooting sports

CAMPBELL MARK D1 citations60

BEN FRANKLIN PATENT HOLDING LL

2 patents
US7266499B2Sep 4, 2007

Voice user interface with personality

BEN FRANKLIN PATENT HOLDING LL235 citations97
US7058577B2Jun 6, 2006

Voice user interface with personality

BEN FRANKLIN PATENT HOLDING LL34 citations94

PANDUIT CORP

2 patents
US10938192B2Mar 2, 2021

Cable cleat assembly

PANDUIT CORP2 citations71
US10923892B2Feb 16, 2021

Cable cleat assembly

PANDUIT CORP2 citations71

GEN MAGIC INC

1 patent
US6334103B1Dec 25, 2001

Voice user interface with personality

GEN MAGIC INC502 citations98

GENERAL MAGIC INC

1 patent
US6144938ANov 7, 2000

Voice user interface with personality

GENERAL MAGIC INC864 citations96

NCR CO

1 patent
US5182805AJan 26, 1993

Method and system for determining copy-on-write condition

NCR CO40 citations92

SURACE KEVIN J

1 patent
US9055147B2Jun 9, 2015

Voice user interface with personality

SURACE KEVIN J7 citations82

CAMPBELL MACHINES COMPANY

1 patent
US5348141ASep 20, 1994

Material handling system

CAMPBELL MACHINES COMPANY4 citations48