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Patent Assignment Assignor Details
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Assignor Name : BARBER, DONALD T.
Total Assignments: 4
Assignment: 1
Reel/Frame:003952/0555   Pages: 1
Recorded: 11/03/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
10/23/1981
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06317553
Correspondence name and address
DOUGLAS S. JOHNSON
133 RICHMOND ST. WEST
TORONTO, ONTARIO M5H 2L7
Assignment: 2
Reel/Frame:004162/0557   Pages: 1
Recorded: 08/08/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/22/1983
Assignee
1
130 SPARKS AVE.
WILLOWDALE, ONTARIO M2H 2S4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06521341
Correspondence name and address
DOUGLAS S. JOHNSON
133 RICHMOND ST. WEST
TORONTO, ONTARIO, CANADA M5H 2L7
Assignment: 3
Reel/Frame:004217/0072   Pages: 1
Recorded: 01/10/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/19/1983
2
Exec Dt:
12/19/1983
Assignee
1
130 SPARKS AVENUE
WILLOWDALE, ONTARIO M2H 2S4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06569576
Correspondence name and address
DOUGLAS S. JOHNSON
133 RICHMOND ST., W.
TORONTO, ONTARIO, CANADA M5H 2L7
Assignment: 4
Reel/Frame:004672/0784   Pages: 2
Recorded: 02/18/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/28/1987
2
Exec Dt:
02/10/1987
Assignee
1
CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07016082
Correspondence name and address
DOUGLAS S. JOHNSON
133 RICHMOND STREET WEST
TORONTO, ONTARIO, CANADA, M5H 2L7

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