IP Library Assignment 026783/0819
Patent Assignment
Reel/Frame 026783/0819

Assignment of Assignor's Interest

Recorded: 2011-08-22 Pages: 2
Assignor
KROWECH, ROBERT JAMES
Executed: 2011-08-18
Assignee
HRST, INC.
6557 CITY WEST PKWY, EDEN PRAIRIE, MINNESOTA, 55344-3248
Covered Property (1)
Boiler Cleaning Apparatus and Method
Patent: 8,002,902 →
Application: 12/153,258 →
Publication: US 2009/0282631
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 →