P

Inventor

BROWN ALBERT E

US10 patents
⚠️ This page may combine multiple inventors who share the name “BROWN ALBERT E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COLUMBIA RIBBON CARBON MFG

4 patents
US4150187AApr 17, 1979

Transfer elements and process

COLUMBIA RIBBON CARBON MFG9 citations72
US4112178ASep 5, 1978

Aqueous polyurethane undercoats

COLUMBIA RIBBON CARBON MFG9 citations72
US4034843AJul 12, 1977

Split correction ribbon and method

COLUMBIA RIBBON CARBON MFG7 citations70
US4217388AAug 12, 1980

Pressure-sensitive transfer elements and process

COLUMBIA RIBBON CARBON MFG4 citations61

UNIV CALIFORNIA

2 patents
US6666095B2Dec 23, 2003

Ultrasonic pipe assessment

UNIV CALIFORNIA54 citations86
US6109109AAug 29, 2000

High energy, low frequency, ultrasonic transducer

UNIV CALIFORNIA15 citations72

LEEDALL PRODUCTS INC

2 patents
US4726864AFeb 23, 1988

Hectograph master webs and sheets, and method

LEEDALL PRODUCTS INC0 citations38
US4499140AFeb 12, 1985

Pressure-sensitive transfer elements and method

LEEDALL PRODUCTS INC0 citations38

IBM

1 patent
US4321286AMar 23, 1982

Process for producing transfer ribbons

IBM18 citations72

CHEMICRAFT INTERNATIONAL INC

1 patent
US4828638AMay 9, 1989

Thermographic transfer elements and methods

CHEMICRAFT INTERNATIONAL INC14 citations68