Inventor

HSIEH JOSEPH

US4 patents

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

ROYAL SOVEREIGN CORP

2 patents

USD328638SAug 11, 1992

Ceiling fan

ROYAL SOVEREIGN CORP46 citations88

USD328639SAug 11, 1992

Combined ceiling fan and light

ROYAL SOVEREIGN CORP14 citations69

BELCO TECHN CORP

2 patents

US7534400B2May 19, 2009

Wet scrubbing apparatus for controlling NOx emission

BELCO TECHN CORP9 citations78

US7214356B2May 8, 2007

Wet scrubbing apparatus and method for controlling NOx emissions

BELCO TECHN CORP8 citations67