Stephen I. Callis

City:

Brandywine, Maryland

Country:

United States

Published Applications:

Last publication date:

2022-06-02

Top Assignees for applications by Stephen I. Callis

The entities that hold a legal rights for patent applications filed by inventor Callis Stephen I.:

American Superconductor Corporation 1 Ayer, MA United States

Recent patent applications by Callis Stephen I.

Stephen I. Callis from Brandywine, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2022-06-02

US20220169354A1

Performing operations; transporting

Electrical power system for a watercraft

#2 | 2019-06-13

US20190176951A1

Performing operations; transporting

Hybrid electrical and mechanical propulsion and energy system for a ship

InventorID:

2526907 ⎘