Douglas Henry Plotzke

City:

Roselle, Illinois

Country:

United States

Published Applications:

Last publication date:

2026-03-05

Recent patent applications by Plotzke Douglas Henry

Douglas Henry Plotzke from Roselle, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2026-03-05

US20260065880A1

Physics

Ring Holder for a Guitar Pick

InventorID:

7724076 ⎘