TC

Teng-An Chang

AS Ascion: 2 patents #9 of 16Top 60%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #995,353 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9820582 Foam spring mattress configured with variable firmness Martin B. Rawls-Meehan 2017-11-21
9510690 Foam spring mattress configured with variable firmness Martin B. Rawls-Meehan 2016-12-06
9504333 Foam spring mattress configured with variable firmness Martin B. Rawls-Meehan 2016-11-29
9282828 Foam spring Martin B. Rawls-Meehan 2016-03-15
9003584 Foam spring mattress with replaceable foam springs Martin B. Rawls-Meehan 2015-04-14