Guelph
Canada
19
2018-12-27
The entities that hold a legal rights for patent applications filed by inventor Witherspoon Bill:
Bill Witherspoon from Guelph, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Precompressed foam expansion joint system transition
#2 | 2018-12-27Method of making a water resistant expansion joint system
#3 | 2018-01-18Fire and/or water resistant expansion and seismic joint system
#4 | 2017-11-30Fire and water resistant, integrated wall and roof expansion joint seal system
#5 | 2017-10-12Fire and/or water resistant expansion and seismic joint system
#6 | 2017-09-21Fire and/or water resistant expansion joint system
#7 | 2017-08-24Fire and water resistant expansion joint system
#8 | 2017-06-27Fire and water resistant expansion and seismic joint system
#9 | 2017-06-27Fire and water resistant expansion and seismic joint system
#10 | 2017-06-06Fire and water resistant expansion joint system
#11 | 2017-05-11Fire and water resistant expansion joint system
#12 | 2017-05-09Fire and water resistant expansion joint system
#13 | 2017-05-02Factory fabricated precompressed water and/or fire resistant expansion joint system transition
#14 | 2016-07-21Precompressed foam expansion joint system transition
#15 | 2016-03-17Precompressed foam expansion joint system transition
#16 | 2015-12-01Precompressed foam expansion joint system transition
#17 | 2015-03-12Fire and water resistant expansion joint system
#18 | 2013-02-05Fire and water resistant expansion joint system
#19 | 2013-01-01Fire and water resistant expansion and seismic joint system
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