BW

Bill Witherspoon

ES Emseal Joint Systems: 5 patents #2 of 4Top 50%
📍 Guelph, CA: #2 of 70 inventorsTop 3%
Overall (2017): #33,074 of 506,227Top 7%
5
Patents 2017

Issued Patents 2017

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
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