Roger Siferd

City:

Findlay, Ohio

Country:

United States

Published Applications:

Last publication date:

2011-11-17

Recent patent applications by Siferd Roger

Roger Siferd from Findlay, US has applied for patents for these inventions. The list has both pending applications and granted patents:

APPARATUS AND METHOD FOR SEALING A VENTILATION CHANNEL OF A PIPE

Apparatus and Method For Sealing A Ventilation Channel of A Pipe

InventorID:

3474776 ⎘