IP Library Assignment 058206/0846
Patent Assignment
Reel/Frame 058206/0846

Assignment of Assignor's Interest

Recorded: 2021-11-24 Pages: 5
Assignors
KRUEGER, DARRELL R.
Executed: 2019-09-16
WNEK, MICHAEL A.
Executed: 2019-09-20
DOMBROW, WILLIAM
Executed: 2019-09-22
Assignee
BNSF RAILWAY COMPANY
2650 LOU MENK DRIVE, AOB 3, FORT WORTH, TEXAS, 76131
Covered Property (1)
Systems and Methods for Confining Ballast Samples
Application: 17/534,961 →
Publication: US 2022/0082475
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Release of Security Interest Sep 11, 2025
From: HAYFIN SERVICES LLP
To: HEARTFLOW, INC.
Reel/Frame 072876/0775 →