IP Library › Assignment 074023/0315
Patent Assignment
Reel/Frame 074023/0315

Security Interest

Recorded: 2026-03-10 Pages: 5
Assignor
SIERRA NORTHERN RAILWAY, LLC
Executed: 2026-03-06
Assignee
ALTER DOMUS PRODUCTS CORP.
225 W. WASHINGTON STREET, 9TH FLOOR, CHICAGO, ILLINOIS, 60606
Covered Properties (2)
Emission Management for a Hybrid Locomotive
Patent: 7,349,797 →
Application: 11/095,036 →
Publication: US 2005/0251299
Locomotive Engine Start Method
Patent: 7,309,929 →
Application: 11/411,986 →
Publication: US 2006/0266255
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 21, 2005
From: DONNELLY, FRANK WEGNER; SWARTZ, DOUGLAS W.; WATSON, JOHN DAVID
To: RAILPOWER TECHNOLOGIES CORP.
Reel/Frame 016794/0389 →
Assignment of Assignor's Interest Aug 1, 2006
From: DONNELLY, MR. FRANK; TARNOW, MR. ANDREW
To: RAILPOWER TECHNOLOGIES CORPORATION
Reel/Frame 018041/0260 →
Assignment of Assignor's Interest Jul 24, 2009
From: RAILPOWER TECHNOLOGIES CORP.; RAILPOWER HYBRID TECHNOLOGIES CORP.
To: RAILPOWER, LLC
Reel/Frame 022990/0962 →
Security Interest Apr 13, 2020
From: RAILPOWER, LLC
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 052375/0052 →