WS

William Z. Sun

BC Bristol Compressors: 2 patents #27 of 61Top 45%
📍 Arkadelphia, AR: #18 of 55 inventorsTop 35%
🗺 Arkansas: #1,791 of 5,804 inventorsTop 35%
Overall (All Time): #2,196,498 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6823686 Pressure equalization system and method Eugene Chumley, Larry Pippin, Pantelis Hatzikazakis, Timothy Wampler, Charles E. Zimmerman +2 more 2004-11-30
6584791 Pressure equalization system and method David Monk, Larry Pippin, Pantelis Hatzikazakis, Timothy Wampler, Charles E. Zimmerman 2003-07-01