Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
Assignor Name :
HELDERMAN, EARL R.
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Total Assignments:
4
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Assignment:
1
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Reel/Frame: | 004140/0028 | |
| Pages: | 3 |
| | Recorded: | 06/09/1983 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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4900 S.W. GRIFFITH DRIVE, P.O. BOX 500 |
A CORP. OF OR. |
BEAVERTON, OREGON 97077 |
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Pat #
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App #
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NONE
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06368795
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Correspondence name and address
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THOMAS J. SPENCE
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TEKTRONIX, INC., PAT. & TRADEMARK DEPT.
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P.O. BOX 500 (Y3-121)
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BEAVERTON, OR 97077
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Assignment:
2
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Reel/Frame: | 004278/0712 | |
| Pages: | 2 |
| | Recorded: | 07/12/1984 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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4900 S.W. GRIFFITH DRIVE |
P.O. BOX, A CORP OF OREGON |
BEAVERTON, OREGON 97077 |
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Pat #
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NONE
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06474753
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Correspondence name and address
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JOHN SMITH-HILL
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TEKTRONIX, INC.,
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P. O. BOX 500
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DELIVERY STATION Y3-121
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BEAVERTON, OR 97077
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Assignment:
3
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Reel/Frame: | 005110/0982 | |
| Pages: | 2 |
| | Recorded: | 05/01/1989 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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4900 S.W. GRIFFITH DRIVE, P.O. BOX 500 |
BEAVERTON, OREGON 97077 |
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NONE
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06697099
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Correspondence name and address
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JOHN D. WINKELMAN
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TEKTRONIX, INC.,
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P. O. BOX 500
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DELIVERY STATION Y3-121
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BEAVERTON, OR 97077
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Assignment:
4
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Reel/Frame: | 004943/0934 | |
| Pages: | 2 |
| | Recorded: | 09/16/1988 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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4900 S.W. GRIFFITH DRIVE, P.O. BOX 500 |
BEAVERTON, OREGON 97077 |
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Pat #
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NONE
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06872058
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Correspondence name and address
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WILLIAM S. LOVELL
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TEKTRONIX, INC.
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P.O. BOX 500
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DELIVERY STATION Y3-121
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BEAVERTON, OR 97077
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