Inventor
CHANG TENG-AN
TW5 patents
⚠️ This page may combine multiple inventors who share the name “CHANG TENG-AN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASCION LLC
3 patentsUS9820582B2Nov 21, 2017
Foam spring mattress configured with variable firmness
ASCION LLC7 citations91
US9504333B2Nov 29, 2016
Foam spring mattress configured with variable firmness
ASCION LLC10 citations91
US9510690B2Dec 6, 2016
Foam spring mattress configured with variable firmness
ASCION LLC18 citations82