IP Library › Assignment 021842/0843
Patent Assignment
Reel/Frame 021842/0843

Assignment of Assignor's Interest

Recorded: 2008-11-17 Pages: 3
Assignors
WEYAND, THOMAS E., MR.
Executed: 2008-10-16
NICKELS, DALE L., MR.
Executed: 2008-10-16
Assignee
PITTSBURGH MINERAL AND ENVIRONMENT TECHNOLOGY, INC.
700 FIFTH AVENUE, NEW BRIGHTON, PENNSYLVANIA, 15066
Covered Property (1)
Method of Making Building Blocks from Clay-Containing Compounds
Patent: 8,361,374 →
Application: 12/249,544 →
Publication: US 2010/0090378
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 021842 Frame: 0843. Assignor(S) Hereby Confirms the Assignment. Feb 29, 2016
From: WEYAND, THOMAS E.; NICKELS, DALE L.
To: PITTSBURGH MINERAL AND ENVIRONMENTAL TECHNOLOGY, INC.
Reel/Frame 037952/0050 →
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 →