skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 5
Patent #:
4602987
Issue Dt:
07/29/1986
Application #:
06653850
Filing Dt:
09/24/1984
Inventors:
JOSEPH BONAVENTURA, CELIA BONAVENTURA, JOSEPH C. VAN RYZIN, BRUCE D. ZENNER et al
Title:
SYSTEM FOR THE EXTRACTION AND UTILIZATION OF OXYGEN FROM FLUIDS
Assignment: 1
Reel/Frame:
004543/0662Recorded: 04/05/1986Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
BONAVENTURA, JOSEPH
Exec Dt:
10/29/1985
BONAVENTURA, CELIA
Exec Dt:
10/29/1985
VAN RYZIN, JOSEPH C.
Exec Dt:
12/15/1985
ZENNER, BRUCE D.
Exec Dt:
10/30/1985
ANDERSON, C. WILLIAM
Exec Dt:
11/01/1985
Assignee:
AQUANAUTICS CORPORATION
SAN FRANCISCO, CALIFORNIA 94111
Correspondent:
OLBON, FISHER, SPIVAK, MC CLELLAND
& MAIER
CRYSTAL SQUARE FIVE-SUITE 400
1755 SOUTH JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:
005150/0854Recorded: 06/19/1989Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
DUKE UNIVERSITY
Exec Dt:
03/14/1989
Assignee:
AQUANAUTICS CORPORATION,
980 ATLANTIC AVE., 101
ALAMEDA, CALIFORNIA 94501
Correspondent:
TOWNSEND & TOWNSEND
TWENTIETH FLOOR, STEUART ST. TOWER
ONE MARKET PLAZA
SAN FRANCISCO, CA. 94105
Assignment: 3
Reel/Frame:
005150/0850Recorded: 06/19/1989Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
TECHNOLOGY DEVELOPMENT ASSOCIATES, LTD.
Exec Dt:
03/15/1989
Assignee:
AQUANAUTICS CORPORATION
980 ATLANTIC AVE., 101.
ALAMEDA, CALIFORNIA 94501
Correspondent:
TOWNSEND & TOWNSEND
TWENTIETH FLOOR, STEUART ST. TOWER
ONE MARKET PLAZA
SAN FRANCISCO, CA. 94105
Assignment: 4
Reel/Frame:
006818/0442Recorded: 12/30/1993Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
AQUANAUTICS CORPORATION
Exec Dt:
10/26/1993
Assignee:
ADVANCED OXYGEN TECHNOLOGIES, INC.
980 ATLANTIC AVENUE, #101
ALAMEDA, CALIFORNIA 94501
Correspondent:
TOWNSEND AND TOWNSEND KHOURIE AND CREW
JAMES M. HESLIN
20TH FLOOR, STEUART STREET TOWER
ONE MARKET PLAZA
SAN FRANCISCO, CA 94105-1492
Assignment: 5
Reel/Frame:
007690/0980Recorded: 03/07/1996Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
ADVANCED OXYGEN TECHNOLOGIES, INC.
Exec Dt:
04/28/1995
Assignee:
W.R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Correspondent:
JOHN DANA HUBBARD
PATENT DEPARTMENT
W.R. GRACE & CO.-CONN.
55 HAYDEN AVENUE
LEXINGTON, MA 02173

Search Results as of: 05/02/2024 07:23 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT