IP Library › Assignment 027844/0560
Patent Assignment
Reel/Frame 027844/0560

Assignment of Assignor's Interest

Recorded: 2012-03-12 Pages: 4
Assignors
ROTHSCHILD, PETER J.
Executed: 2012-02-14
ZHANG, MING
Executed: 2012-02-14
Assignee
AMERICAN SCIENCE AND ENGINEERING, INC.
829 MIDDLESEX TURNPIKE, BILLERICA, MASSACHUSETTS, 01821
Covered Property (1)
Backscatter Energy Analysis for Classification of Materials Based on Positional Non-Commutativity
Patent: 8,442,186 →
Application: 13/368,610 →
Publication: US 2012/0201356
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Oct 11, 2016
From: AMERICAN SCIENCE AND ENGINEERING, INC.
To: WELLS FARGO BANK, AS ADMINISTRATIVE AGENT
Reel/Frame 040305/0233 →
Release of Security Interest Jul 1, 2025
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: AMERICAN SCIENCE AND ENGINEERING, INC.
Reel/Frame 071784/0673 →