Dale R. Duvall

Person

Fort Worth, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Camera with negative identification system
- Patent number 5,812,895
- Issue date Sep 22, 1998
- Photo Control Corp
- Dale R. DuVall
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Identification system for automated film and order processing inclu...
- Patent number 5,294,950
- Issue date Mar 15, 1994
- Photo-Control Corporation
- Dale R. DuVall
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Deadbolt assembly having selectable backset
- Patent number 4,976,122
- Issue date Dec 11, 1990
- Pease Industries, Inc.
- Martin P. Doolan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Acoustic obstruction detector and method
- Patent number 4,706,227
- Issue date Nov 10, 1987
- Overhead Door Corporation of Texas
- Dale R. DuVall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Device for electrical variable magnification of document image
- Patent number 4,587,621
- Issue date May 6, 1986
- The Mead Corporation
- Dale R. DuVall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for electrical variable magnification of document image
- Patent number 4,532,602
- Issue date Jul 30, 1985
- The Mead Corporation
- Dale R. DuVall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Document scanning system
- Patent number 4,429,333
- Issue date Jan 31, 1984
- The Mead Corporation
- James W. Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Document scanning apparatus
- Patent number 4,422,100
- Issue date Dec 20, 1983
- The Mead Corporation
- Dale R. DuVall
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Adaptive correlator for video processing
- Patent number 4,162,481
- Issue date Jul 24, 1979
- Recognition Equipment Incorporated
- Dale R. DuVall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Independent channel automatic gain control for self-scanning photoc...
- Patent number 4,157,533
- Issue date Jun 5, 1979
- Recognition Equipment Incorporated
- Dale R. DuVall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Single read station acquisition for character recognition
- Patent number 4,013,999
- Issue date Mar 22, 1977
- Recognition Equipment Incorporated
- Jerry D. Erwin
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Dale R. Duvall

Person

Patents Grantslast 30 patents

Camera with negative identification system

Identification system for automated film and order processing inclu...

Deadbolt assembly having selectable backset

Acoustic obstruction detector and method

Device for electrical variable magnification of document image

Device for electrical variable magnification of document image

Document scanning system

Document scanning apparatus

Adaptive correlator for video processing

Independent channel automatic gain control for self-scanning photoc...

Single read station acquisition for character recognition