David R. Pendergraph

City:

Chantilly, Virginia

Country:

United States

Published Applications:

Last publication date:

2025-10-21

Recent patent applications by Pendergraph David R.

David R. Pendergraph from Chantilly, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-10-21

US18793443

Mechanical engineering

Hydronic pipe penetration waveguide

InventorID:

7604284 ⎘