Dwight G. Baldwin

Person

Austin, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Low profile overhead projector having a foldable post
- Patent number 6,595,646
- Issue date Jul 22, 2003
- 3M Innovative Properties Company
- Dwight G. Baldwin
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Overhead projection having a friction secured adjustable cantilever...
- Patent number 6,443,577
- Issue date Sep 3, 2002
- 3M Innovative Properties Company
- Dwight G. Baldwin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Condensers for illumination systems
- Patent number 5,515,123
- Issue date May 7, 1996
- Minnesota Mining and Manufacturing Company
- Dwight G. Baldwin
- G02 - OPTICS
Information Patent Grant
Overhead projector with vibration control head
- Patent number 5,465,127
- Issue date Nov 7, 1995
- Minnesota Mining and Manufacturing Company
- Dwight G. Baldwin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Solid state optical reader with bi-directional protocol
- Patent number 5,444,230
- Issue date Aug 22, 1995
- Minnesota Mining and Manufacturing Company
- Dwight G. Baldwin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Two-channel XOR bar code and optical reader
- Patent number 5,357,094
- Issue date Oct 18, 1994
- Minnesota Mining and Manufacturing Company
- Dwight G. Baldwin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical reader with power isolation
- Patent number 5,233,171
- Issue date Aug 3, 1993
- Minnesota Mining and Manufacturing Company
- Dwight G. Baldwin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of preparing an image access card
- Patent number 5,001,696
- Issue date Mar 19, 1991
- Minnesota Mining and Manufacturing Company
- Dwight G. Baldwin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image access system providing easier access to images
- Patent number 4,994,987
- Issue date Feb 19, 1991
- Minnesota Mining and Manufacturing Company
- Dwight G. Baldwin
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
TWO IMAGER PROJECTION DEVICE
- Publication number 20150136950
- Publication date May 21, 2015
- 3M Innovative Properties Company
- Joseph C. Carls
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical Component Array
- Publication number 20150098128
- Publication date Apr 9, 2015
- 3M Innovative Properties Company
- Joseph C. Carls
- B32 - LAYERED PRODUCTS
Information Patent Application
Low profile overhead projector having a foldable post
- Publication number 20020176057
- Publication date Nov 28, 2002
- 3M Innovative Properties Company
- Dwight G. Baldwin
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Dwight G. Baldwin

Person

Patents Grantslast 30 patents

Low profile overhead projector having a foldable post

Overhead projection having a friction secured adjustable cantilever...

Condensers for illumination systems

Overhead projector with vibration control head

Solid state optical reader with bi-directional protocol

Two-channel XOR bar code and optical reader

Optical reader with power isolation

Method of preparing an image access card

Image access system providing easier access to images

Patents Applicationslast 30 patents

TWO IMAGER PROJECTION DEVICE

Optical Component Array

Low profile overhead projector having a foldable post