Inventor

DUNN DOUGLAS S

US59 patents

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

DUNN DOUGLAS S

MINNESOTA MINING & MFG

Surface modification of semicrystalline polymers

Process for the surface modification of semicrystalline polymers

Composite used for light control or privacy

Surface modification by accelerated plasma or ions

Polymer with reduced internal migration

Ablative flashlamp imaging

System for ablative imaging by proximity lithography

Ablative imaging by proximity lithography

Heat sealing of semicrystalline quasi-amorphous polymers

Polymeric film with reduced surface friction

Process for producing a patterned metal surface

Topographical selective patterns

Polymer with crosslinked surface zones

Process for producing a patterned metal surface

Adhesive bonding to quasi-amorphous polymer surfaces

Negative crystalline photoresists for UV photoimaging

3M INNOVATIVE PROPERTIES CO

Sheeting with composite image that floats

Composite used for light control of privacy

Internally patterned multilayer optical films using spatially selective birefringence reduction

Process for making microlens arrays and masterforms

Respirator having optically active exhalation valve

Mask processing using films with spatially selective birefringence reduction

Multilayer optical films having side-by-side mirror/polarizer zones

Multilayer optical films having side-by-side polarizer/polarizer zones

Mask processing using films with spatially selective birefringence reduction

Multilayer optical films suitable for bi-level internal patterning

Infrared-reflecting optically transparent assembly and method of making the same

Security element with a metallized structured surface

Process for making microlens arrays and masterforms

MERRILL WILLIAM WARD

Internally patterned multilayer optical films with multiple birefringent layers

Multilayer optical films having side-by-side polarizer/polarizer zones

Multilayer optical films suitable for bi-level internal patterning

Multilayer optical films having side-by-side mirror/polarizer zones

Internally patterned multilayer optical films using spatially selective birefringence reduction

Mask processing using films with spatially selective birefringence reduction

Effective media retarder films with spatially selective birefringence reduction

DUNN DOUGLAS S

Sheeting with composite image that floats

Microlens sheeting with floating image using a shape memory material

Multi-layer articles capable of forming color images and methods of forming color images

Multi-layer articles capable of forming color images and method of forming color images

3M INNOVATIVE PROPERTIES COMPANY

Optical assembly with protective coating

Radar-optical fusion article and system

Respirator having optically active exhalation valve

WU PINGFAN

Three-dimensional articles using nonlinear thermal polymerization

Generation of color images

HERBERT SAMMUEL D

Sheeting with composite image that floats

CHEN-HO KUI

Laser-personalizable security articles

CHEN HO KUI

Laser-personalizable security articles

YU TA HUA

Nanostructured articles and methods to make the same

ENDLE JAMES P

Interference films having acrylamide layer and method of making same