Patent Assignment
Reel/Frame 051471/0418
Assignment of Assignor's Interest
Recorded: 2020-01-09
Pages: 4
Assignee
PROGRESS RAIL SERVICES CORPORATION
1600 PROGRESS DRIVE, ALBERTVILLE, ALABAMA, 35950
Covered Property
(1)
Method of Hardening Manganese Steel Using Ultrasonic Impact Treatment
Application:
16/738,816 →
Publication:
US 2021/0214815
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.