Inventor

CHANG TSU LING

US5 patents

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

OSBORNE CHARLES AGNEW

2 patents

US7370824B1May 13, 2008

Intelligent electronic paper dispenser

OSBORNE CHARLES AGNEW139 citations96

US7213782B2May 8, 2007

Intelligent dispensing system

OSBORNE CHARLES AGNEW105 citations95

VALVE SOLUTIONS INC

1 patent

US10136769B2Nov 27, 2018

Electronic residential tissue dispenser

VALVE SOLUTIONS INC25 citations93

VSI IMP SOLUTIONS LLC

1 patent

US9907441B2Mar 6, 2018

Electronic residential tissue dispenser

VSI IMP SOLUTIONS LLC42 citations90

OSBORNE CHARLES A

1 patent

US10610064B2Apr 7, 2020

Electronic dispenser for flexible rolled sheet material

OSBORNE CHARLES A18 citations74