Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 004718/0144 | |
| Pages: | 2 |
| | Recorded: | 03/19/1987 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. EFFECTIVE FEB 2, 1987. |
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Total properties:
5
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Patent #:
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Issue Dt:
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Application #:
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05044220
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05384107
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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03/02/1976
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Application #:
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05512061
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Filing Dt:
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10/04/1974
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Title:
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TELECOMMUNICATION SYSTEM USING TDM SWITCHING
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Patent #:
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Issue Dt:
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Application #:
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05530954
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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01/27/1976
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Application #:
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05543479
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Filing Dt:
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01/23/1975
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Title:
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KEY TELEPHONE SYSTEM USING TIME DIVISION AND SPACE DIVISION CONTROL
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Correspondence name and address
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SPENCER & FRANK
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1111 NINETEENTH STREET, N.W.
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WASHINGTON, D.C. 20036
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