Patent Assignment
Reel/Frame 037952/0050
Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 021842 Frame: 0843. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2016-02-29
Pages: 5
Assignee
PITTSBURGH MINERAL AND ENVIRONMENTAL TECHNOLOGY, INC.
700 FIFTH AVENUE, NEW BRIGHTON, PENNSYLVANIA, 15066
Covered Property
(1)
Method of Making Building Blocks from Clay-Containing Compounds
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 17, 2008
From: WEYAND, THOMAS E., MR.; NICKELS, DALE L., MR.
To: PITTSBURGH MINERAL AND ENVIRONMENT TECHNOLOGY, INC.
Reel/Frame 021842/0843 →
Assignment of Assignor's Interest
Jul 8, 2021
From: PITTSBURGH MINERAL & ENVIRONMENTAL TECHNOLOGY, INC.
To: ELKHORN CAPITAL HOLDINGS LLC
Reel/Frame 056795/0508 →
Security Interest
Jul 8, 2021
From: ELKHORN CAPITAL HOLDINGS LLC
To: ENTERPRISE BANK
Reel/Frame 056795/0641 →