IP Library Assignment 037178/0736
Patent Assignment
Reel/Frame 037178/0736

Assignment of Assignor's Interest

Recorded: 2015-12-01 Pages: 3
Assignors
KROWECH, ROBERT JAMES
Executed: 2015-10-21
OLSON, SCOTT DANIEL
Executed: 2015-10-21
Assignee
HRST, INC.
6557 CITY WEST PKWY, EDEN PRAIRIE, MINNESOTA, 55344-3248
Covered Property (1)
Tube Spreading Device and Boiler Cleaning System
Application: 14/921,417 →
Publication: US 2016/0116158
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 4, 2026
From: HRST, INC.
To: PRECISION ICEBLAST CORPORATION
Reel/Frame 073682/0182 →
Security Interest Feb 4, 2026
From: PRECISION ICEBLAST CORPORATION
To: HRST, INC.
Reel/Frame 073691/0409 →