Inventor

JOHNSON STEPHEN A

US121 patents

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

JOHNSON STEPHEN A

3M INNOVATIVE PROPERTIES CO

UV resistant naphthalate polyester articles

Curable pressure sensitive adhesive compositions

Branched polydiorganosiloxane polyamide copolymers

Outdoor weatherable photopolymerizable coatings

Cube corner retroreflective article with enhanced pigmentation

Polydiorganosiloxane polyamide copolymers having organic soft segments

Curable pressure sensitive adhesive compositions

Polydiorganosiloxane polyoxamide copolymers

Thermal mass transfer substrate films, donor elements, and methods of making and using same

Light-stable structures

Optical device containing polymeric material domains having different degrees of randomness

Light stable articles

Radiation curable thermal transfer elements

Dry-peelable temporary protective coatings

Patterned marking of multilayer optical film by thermal conduction

Patterned marking of multilayer optical film by thermal conduction

Polydiorganosiloxane polyamide copolymers having organic soft segments

Polydiorganosiloxane polyamide copolymers having organic soft segments

Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units

Branched polydiorganosiloxane polyamide copolymers

Multilayer films including thermoplastic silicone block copolymers

Outdoor weatherable photopolymerizable coatings

Blue edge filter optical lens

Silicone polyoxamide and silicone polyoxamide-hydrazide copolymers

Method for making optical devices from homopolymers

Optical device having continuous and disperse phases

Retroreflective sheeting including a substantially amorphous polymeric layer

Post-formed successively peelable coextruded polymer film

JOHNSON STEPHEN A

Linear friction welder with rocker arms

Linear friction welder

Linear friction welder with helical groove

HEBRINK TIMOTHY J

Optical body having polyacrylate skin layer

Optical body having polyacrylate skin layer

APCI LLC

Apparatus for linear friction welding

Linear friction welder system and method

MERRILL WILLIAM WARD

Internally patterned multilayer optical films with multiple birefringent layers

S S D CONTROL TECHNOLOGY INC

Polyvinyl deck

ELECTRIC POWER RES INST

Integrated imaging sensor/neural network controller for combustion systems

BABCOCK & WILCOX CO

Low nox multi-fuel burner

SHERMAN AUDREY A

Polydiorganosiloxane polyamide copolymers having organic soft segments

BENSON KARL E

Films including thermoplastic silicone block copolymers

PSI ENVIRONMENTAL INSTR CORP

Apparatus for combustion, pollution and chemical process control

SSD CONTROL TECHNOLOGY INC

Mechanism for clamping and holding an elongated workpiece

INERTIA FRICTION WELDING INC

Angular orientation control system for friction welding

PHYSICAL SCIENCES INC

Apparatus for combustion, pollution and chemical process control

LIU YUFENG R

Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units

PROCTER & GAMBLE

Suds suppressor compositions and their use in detergent compositions

WANG LEI

Negatively birefringent polyesters and optical films

LIU YUFENG

Multilayer optical film

DERKS KRISTOPHER J

Textured film and process for manufacture thereof