Method and apparatus for firestopping a through-penetration

Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities – Having a passageway through the entire wall – ceiling – or...

Reexamination Certificate


  [ 0.00 ] – not rated yet Voters 0   Comments 0

Please leave your Comment & Rating

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.