BW

Bill Witherspoon

ES Emseal Joint Systems: 22 patents #2 of 4Top 50%
Overall (All Time): #194,531 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10941562 Fire and water resistant expansion joint system 2021-03-09
10934704 Fire and/or water resistant expansion joint system Lester Hensley 2021-03-02
10934702 Fire and water resistant expansion joint system 2021-03-02
10851542 Fire and water resistant, integrated wall and roof expansion joint seal system Lester Hensley, Walter C. Jones 2020-12-01
10787805 Fire and/or water resistant expansion and seismic joint system Lester Hensley 2020-09-29
10787806 Fire and/or water resistant expansion and seismic joint system Lester Hensley 2020-09-29
10570611 Method of making a water resistant expansion joint system Lester Hensley 2020-02-25
10422127 Precompressed foam expansion joint system transition Lester Hensley 2019-09-24
10072413 Precompressed foam expansion joint system transition Lester Hensley 2018-09-11
10066387 Precompressed foam expansion joint system transition Lester Hensley 2018-09-04
9689157 Fire and water resistant expansion and seismic joint system Lester Hensley 2017-06-27
9689158 Fire and water resistant expansion and seismic joint system Lester Hensley 2017-06-27
9670666 Fire and water resistant expansion joint system Lester Hensley 2017-06-06
9644368 Fire and water resistant expansion joint system 2017-05-09
9637915 Factory fabricated precompressed water and/or fire resistant expansion joint system transition Lester Hensley 2017-05-02
9528262 Fire and water resistant expansion joint system 2016-12-27
9200437 Precompressed foam expansion joint system transition Lester Hensley 2015-12-01
8813450 Fire and water resistant expansion and seismic joint system Lester Hensley 2014-08-26
8813449 Fire and water resistant expansion and seismic joint system Lester Hensley 2014-08-26
8739495 Fire and water resistant expansion joint system 2014-06-03
8365495 Fire and water resistant expansion joint system 2013-02-05
8341908 Fire and water resistant expansion and seismic joint system Lester Hensley 2013-01-01