David Leonard Irwin, IV

City:

Kettering, Ohio

Country:

United States

Published Applications:

Last publication date:

2012-10-04

Recent patent applications by Irwin, IV David Leonard

David Leonard Irwin, IV from Kettering, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2012-10-04

US20120251333A1

Physics

Autonomous sump pump system

InventorID:

6364409 ⎘