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Patent Assignment Assignor Details
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Assignor Name : SERAFIN, VITOLD P.
Total Assignments: 4
Assignment: 1
Reel/Frame:007499/0726   Pages: 3
Recorded: 06/19/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/12/1995
2
Exec Dt:
05/12/1995
3
Exec Dt:
05/12/1995
Assignee
1
#2, 3401 - 19 STREET, N.E.
CALGARY, ALBERTA, CANADA T2E 6
Property
 
Pat #
Pub #
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NONE
08430818
Correspondence name and address
JAMES A. OLIFF
OLIFF & BERRIDGE
P.O. BOX 19928
ALEXANDRIA, VA 22320
Assignment: 2
Reel/Frame:007858/0757   Pages: 2
Recorded: 12/14/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/11/1995
Assignee
1
#2 - 3401 -19 STREET NORTH EAST
CALGARY, ALBERTA, T2E 6S8, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08572003
Correspondence name and address
OLIFF & BERRIDGE
JAMES A. OLIFF
P.O. BOX 19928
ALEXANDRIA, VA 22320
Assignment: 3
Reel/Frame:010450/0877   Pages: 4
Recorded: 12/10/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/07/1999
2
Exec Dt:
12/07/1999
3
Exec Dt:
12/07/1999
Assignee
1
4800 -- 27TH STREET, S.E.
CALGARY, ALBERTA, CANADA T2B 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09459265
Correspondence name and address
SHERIDAN ROSS P.C.
JOSEPH E. KOVARIK
1560 BROADWAY, SUITE 1200
DENVER, COLORADO 80202-5141
Assignment: 4
Reel/Frame:014197/0588   Pages: 3
Recorded: 06/20/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/01/2003
2
Exec Dt:
05/01/2003
3
Exec Dt:
05/01/2003
Assignee
1
#4200, 1500-6TH AVENUE SW
CALGARY, AB, CANADA T2P 3Y7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10404450
Correspondence name and address
GOODWIN MCKAY
SEAN W. GOODWIN
SUITE 360, 237-8TH AVENUE SW CANADA
CALGARY, AB CANADA T2G 5C3

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