Inventor

SCHAFFER KEVIN R

US48 patents

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

SCHAFFER KEVIN R

3M INNOVATIVE PROPERTIES CO

Hydrophilic polypropylene fibers having antimicrobial activity

Multilayer optical adhesives and articles

Treatment of fibrous substrates to impart repellency, stain resistance, and soil resistance

Hydrophilic polypropylene fibers having antimicrobial activity

Treatment of fibrous substrates to impart repellency, stain resistance, and soil resistance

Illumination device having viscoelastic lightguide

Protective display film

Retroreflective articles and devices having viscoelastic lightguide

Variable index light extraction layer and method of making the same

Marketing strip with viscoelastic lightguide

Microstructured transfer tapes

Heat de-bondable adhesive articles

Light source and optical article including viscoelastic lightguide disposed on a substrate

Protective display film

Heat de-bondable optical articles

Method of modifying light with silicone (meth) acrylate copolymers

Method of modifying light with silicone (meth)acrylate copolymers

Heat conformable curable adhesive films

Hybrid self illuminated and actively back lit signage for printed graphics

Optical adhesive with diffusive properties

Back-lit transmissive display having variable index light extraction layer

Retroreflective articles and devices having viscoelastic lightguide

Optical article having viscoelastic layer

Illumination device having viscoelastic lightguide

Variable index light extraction layer with microreplicated posts and methods of making the same

Pressure sensitive adhesive light guides

Illumination device having remotely powered lightguide

Hybrid self illuminated and actively back lit signage for printed graphics

SHERMAN AUDREY A

Retroreflective articles and devices having viscoelastic lightguide

Methods and products for illuminating tissue

Lightguide having a viscoelastic layer for managing light

Retroreflective articles and devices having viscoelastic lightguide

Illumination device having remotely powered lightguide

Illumination device having viscoelastic lightguide

Light directing film

WOLK MARTIN B

Light extraction films for increasing pixelated OLED output with reduced blur

Illumination device having viscoelastic layer

Light extraction films for organic light emitting devices (OLEDs)

Illumination device having viscoelastic lightguide

SCHAFFER KEVIN R

Optical adhesive with diffusive properties

Front-lit reflective display device

MAZUREK MIECZYSLAW H

Method of forming an image having multiple phases

Method of forming an image having multiple phases

3M INNOVATIVE PROPERTIES COMPANY

Dual cure protective display film

Polyurethane acrylate protective display film

THOMPSON DAVID SCOTT

Back-lit transmissive display having variable index light extraction layer

APPEANING MARIA A

Light-activated antimicrobial article and method of use

HAO ENCAI

Surface-modified adhesives