WP

William J. Platt

WV Worthington Armstrong Venture: 23 patents #2 of 33Top 7%
NM National Rolling Mills: 17 patents #1 of 5Top 20%
📍 Collingdale, PA: #1 of 13 inventorsTop 8%
🗺 Pennsylvania: #1,101 of 74,527 inventorsTop 2%
Overall (All Time): #79,918 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
8938926 Wall liner Brett W. Sareyka 2015-01-27
8590274 Single-layered web beam for a suspended ceiling 2013-11-26
8590275 Single-layered web beam for a panel suspended ceiling 2013-11-26
8578673 Suspended ceiling gusset stay Joseph Kelly 2013-11-12
8572930 Single layered web beam for a drywall suspended ceiling 2013-11-05
8096089 Suspended ceiling cloud with flexible panel 2012-01-17
7926238 Stab-in connector Brett W. Sareyka, Yu Lin 2011-04-19
7788872 Seismic main beam connection 2010-09-07
7669374 Beam for a drywall ceiling soffit Donald C. Miller 2010-03-02
7661236 Stab-in connector with expansion relief Daniel C. Ziegler, Yu Lin 2010-02-16
7614195 Suspended ceiling grid network utilizing seismic separation joint clips Sandor A. Frecska 2009-11-10
7578107 Suspended ceiling segment 2009-08-25
7520095 Hook connector with plastic fire relief Yu Lin 2009-04-21
7293393 Perimeter clip for seismic ceilings Joseph Kelly 2007-11-13
7278243 Molding for suspended panel ceiling Rick J. Jones 2007-10-09
7240460 Molding for drywall ceiling grid 2007-07-10
6763642 Grid for a suspended ceiling 2004-07-20
6722098 Beam for drywall ceiling 2004-04-20
6701686 Ceiling grid with seal 2004-03-09
6523313 Main beam connection Yu Lin 2003-02-25
6351919 Compression relief section Yu Lin, Daniel C. Ziegler 2002-03-05
6138416 Beam 2000-10-31
5839246 Grid framework for suspended ceiling Daniel C. Ziegler 1998-11-24
5390456 Decorative suspended ceiling Thomas E. Rose 1995-02-21
5279033 Method of making a beam for a decorative suspended ceiling Thomas E. Rose 1994-01-18