Witold S. Czastkiewicz

City:

Ottawa

Country:

Canada

Published Applications:

Last publication date:

2009-12-31

Top Assignees for applications by Witold S. Czastkiewicz

The entities that hold a legal rights for patent applications filed by inventor Czastkiewicz Witold S.:

Ottawa Fibre, Inc. 2 Ottawa, Canada
Certainteed Insulation Canada, Inc. 1 Toronto, Canada

Recent patent applications by Czastkiewicz Witold S.

Witold S. Czastkiewicz from Ottawa, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2009-12-31

US20090320528A1

Performing operations; transporting

Spinner for manufacturing dual-component irregularly-shaped hollow insulation fiber

#2 | 2006-02-28

US10164171

Hybrid spinner for making a mixture of single-glass and dual-glass fibres right at the fibre forming stage

#3 | 2005-03-17

US20050056163A1

Performing operations; transporting

Roll-up machine and method

InventorID:

4318908 ⎘