John M. Sprainis

City:

Springfield, Oregon

Country:

United States

Published Applications:

Last publication date:

2020-05-26

Top Assignees for applications by John M. Sprainis

The entities that hold a legal rights for patent applications filed by inventor Sprainis John M.:

WABTEC HOLDING CORP. 1 Wilmerding, PA United States
WABTEC Corp 1 Wilmerding, PA United States

Recent patent applications by Sprainis John M.

John M. Sprainis from Springfield, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2020-05-26

US16211102

Mechanical engineering

Shoulder-fired firearm primary and secondary recoil attenuator

#2 | 2013-03-21

US20130068714A1

Performing operations; transporting

Elastomeric draft gear for a railcar

InventorID:

147008 ⎘