Inventor

HALL MATTHEW S

US2 patents

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

Obstructures LLC

1 patent

US9314074B2Apr 19, 2016

Wallet with rolling O-ring hinge

Obstructures LLC45 citations84

CHEN JOHN CHU

1 patent

US8088026B2Jan 3, 2012

Phase transition golf ball and method of use

CHEN JOHN CHU7 citations78