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: | 013380/0201 | |
| Pages: | 63 |
| | Recorded: | 10/15/2002 | | |
| Conveyance: | SECURITY AGREEMENT |
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Total properties:
8
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Patent #:
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Issue Dt:
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05/05/1992
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Application #:
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07365255
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Filing Dt:
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06/12/1989
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Title:
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RUBBER COVERED ROLLER IN WHICH THE PHYSICAL STATE OF THE RUBBER AT THE END FACES THEREOF IS BETWEEN A RUBBER ELASTIC PHYSICAL STATE AND A GLASSLIKE PHYSICAL STATE.
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Patent #:
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Issue Dt:
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01/15/1991
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Application #:
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07407348
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Filing Dt:
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09/14/1989
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Title:
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DUCT SWEEPER
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Patent #:
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Issue Dt:
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03/17/1992
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Application #:
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07654247
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Filing Dt:
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02/12/1991
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Title:
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VACUUM SYSTEM FOR CLEANING APPARATUS
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Patent #:
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Issue Dt:
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03/31/1992
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Application #:
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07654338
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Filing Dt:
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02/12/1991
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Title:
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PUMP SYSTEM FOR CLEANING APPARATUS
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Patent #:
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Issue Dt:
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04/28/1992
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Application #:
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07671710
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Filing Dt:
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04/03/1991
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Title:
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DUCT SWEEPER
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Patent #:
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Issue Dt:
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08/08/1995
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Application #:
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08270790
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Filing Dt:
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07/01/1994
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Title:
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APPARATUS FOR CLEANING AIR DUCTS
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Patent #:
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Issue Dt:
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06/25/1996
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Application #:
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08372813
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Filing Dt:
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12/23/1994
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Title:
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ROBOTIC DUCT CLEANING APPARATUS
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Patent #:
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Issue Dt:
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02/27/1996
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Application #:
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08376856
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Filing Dt:
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01/23/1995
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Title:
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VACUUM CLEANING SYSTEM WITH WATER EXTRACTION LID
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Assignee
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| 901 MAIN STREET, 67TH FLOOR |
| DALLAS, TEXAS 75202 |
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Correspondence name and address
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S. ROXANNE EDWARDS
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1201 MAIN STREET
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P.O. BOX 50784
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DALLAS, TX 75250
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