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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
02/21/1984
Application #:
06320184
Filing Dt:
11/12/1981
Inventor:
CHARLES S. PALM
Title:
CALIBRATED APPARENT SURFACE VOLTAGE MEASUREMENT APPARATUS AND METHOD
Assignment: 1
Reel/Frame:
003947/0201Recorded: 11/12/1981Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/10/1981
Assignee:
9725 DATAPOINT DRIVE
SAN ANTONIO, TEXAS
Correspondent:
ANDREW S. VIGER
MC CAMISH, INGRAM, MARTIN & BROWN, INC.
900 MILAM BLDG.
SAN ANTONIO, TX 78205
Assignment: 2
Reel/Frame:
005264/0230Recorded: 03/08/1990Pages: 17
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/01/1990
Assignee:
Correspondent:
OTTERBOURG, STEINDLER, HOUSTON, ET AL
230 PARK AVENUE
NEW YORK, NY 10169
Assignment: 3
Reel/Frame:
005725/0071Recorded: 03/08/1991Pages: 7
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/31/1991
Assignee:
Correspondent:
EPSTEIN, EDELL & RETZER
1901 RESEARCH BOULEVARD
SUITE 220
ROCKVILLE, MARYLAND 20850
Assignment: 4
Reel/Frame:
007732/0968Recorded: 11/30/1995Pages: 17
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
11/22/1995
Assignee:
2221 LAKESIDE BLVD., DEPT 8437, RM C-236
DALLAS, TEXAS 75082
Correspondent:
JENKENS & GILCHRIST, P.C.
P. WESTON MUSSELMAN, JR.
1445 ROSS AVENUE, SUITE 3200
DALLAS, TX 75202-2799
Assignment: 5
Reel/Frame:
007936/0374Recorded: 07/29/1996Pages: 4
Conveyance:
TERMINATION OF SECURITY INTEREST
Assignor:
Exec Dt:
07/01/1996
Assignee:
8400 DATAPOINT DRIVE
SAN ANTONIO, TEXAS 78229
Correspondent:
NATIONAL CODE CORPORATION
225 W. 34TH STREET
SUITE 2110
NEW YORK, NY 10122

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