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Patent Assignment Assignor Details
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Assignor Name : SIEBERT, ROBERT M.
Total Assignments: 4
Assignment: 1
Reel/Frame:004037/0019   Pages: 1
Recorded: 09/16/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/13/1982
2
Exec Dt:
09/13/1982
Assignee
1
1000 SOUTH PINE ST.
PONCA CITY, OKLAHOMA 74603
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06418852
Correspondence name and address
CONOCO INC.
PATENT & LICENSING DIV.
P.O. BOX 1267
PONCA CITY, OK 74601
Assignment: 2
Reel/Frame:004244/0147   Pages: 1
Recorded: 03/28/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
03/23/1984
Assignee
1
P.O. BOX 1267,
PONCA CITY,, OKLAHOMA 74601
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06594194
Correspondence name and address
LANEY, DOUGHERTY, HESSIN, ET AL
STE 900, 101 PARK AVE.
OKLAHOMA CITY, OK. 73102
Assignment: 3
Reel/Frame:007281/0882   Pages: 2
Recorded: 12/14/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/14/1994
2
Exec Dt:
12/14/1994
3
Exec Dt:
12/14/1994
Assignee
1
POST OFFICE BOX 1267
1000 S. PINE STREET
PONCA, CITY, OKLAHOMA 74602-1267
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08356593
Correspondence name and address
JOHN E. HOLDER
POST OFFCIE BOX 1267
1000 S. PINE STREET
PONCA CITY, OK 74602-1267
Assignment: 4
Reel/Frame:007586/0243   Pages: 2
Recorded: 06/09/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/08/1995
2
Exec Dt:
06/08/1995
3
Exec Dt:
06/08/1995
Assignee
1
P.O. BOX 1257
1000 S. PINE STREET
PONCA CITY, OKLAHOMA 74602
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08488919
Correspondence name and address
JOHN E. HOLDER
P.O. BOX 1267
1000 S. PINE STREET
PONCA CITY, OK 74602-1267

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