Robert P. Helstern

City:

Irvine, California

Country:

United States

Published Applications:

Last publication date:

2022-12-22

Top Assignees for applications by Robert P. Helstern

The entities that hold a legal rights for patent applications filed by inventor Helstern Robert P.:

Robert P. Helstern from Irvine, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Compact switch

Compact switch

Ruggedized safety mirror having polymethylmethacrylate layers and embedded neodymium magnets

Ruggedized placard

Transparent screen cover

OPTICAL PANEL DISPLAY

Optical display with optical monolith

Method of filtering spectral energy

InventorID:

465425 ⎘