Patent Assignment
Reel/Frame 004174/0484
Assignment of Assignors Interest.
Recorded: 1983-09-30
Pages: 3
Assignors
JOHNSON, AXEL R.
Executed: 1983-09-23
NARAYANAN, SWAMI
Executed: 1983-09-23
WOEBCKE, HERMAN N.
Executed: 1983-09-23
Assignee
Covered Property
(1)
The Duocracking Process for the Production of Olefins from Both Heavy and Light Hydrocarbons
Patent:
4,492,624 →
Application:
06/431,588 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Dec 27, 1999
From: STONE & WEBSTER, INCORPORATED; BELMONT CONSTRUCTORS COMPANY, INC.; STONE & WEBSTER ENGINEERING CORPORATION; STONE & WEBSTER INTERNATIONAL PROJECTS CORPORATION
To: BANK OF AMERICA, N.A.
Reel/Frame 010470/0313 →
Assignment of Assignor's Interest
Jun 11, 2001
From: STONE & WEBSTER ENGINEERING CORP.
To: STONE & WEBSTER PROCESS TECHNOLOGY, INC.
Reel/Frame 011855/0951 →