TC

Tsu-Ling Chang

VS Valve Solutions: 2 patents #3 of 3Top 100%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Worthington, OH: #140 of 449 inventorsTop 35%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,165,726 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10610064 Electronic dispenser for flexible rolled sheet material Charles Agnew Osborne, JR. 2020-04-07
10136769 Electronic residential tissue dispenser Charles Agnew Osborne, JR. 2018-11-27
9907441 Electronic residential tissue dispenser Charles Agnew Osborne, JR. 2018-03-06
7213782 Intelligent dispensing system Charles Agnew Osborne, JR. 2007-05-08