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: | 007058/0824 | |
| Pages: | 12 |
| | Recorded: | 04/29/1994 | | |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
3
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Patent #:
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Issue Dt:
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04/24/1990
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Application #:
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07333903
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Filing Dt:
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04/06/1989
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Title:
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IMPACT DRILL BIT ASSEMBLY AND REPLACEABLE PARTS THEREOF
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Patent #:
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Issue Dt:
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10/16/1990
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Application #:
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07451301
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Filing Dt:
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12/15/1989
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Title:
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DOWNHOLE DRILL BIT AND BIT COUPLING
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Patent #:
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Issue Dt:
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04/27/1993
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Application #:
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07701668
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Filing Dt:
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05/16/1991
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Title:
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PORTING SYSTEM FOR PNEUMATIC IMPACT HAMMER
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Assignee
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| 777 MAIN STREET |
| HARTFORD, CONNECTICUT 06101 |
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Correspondence name and address
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JOHN P. DUNN, ESQUIRE
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446 MAIN STREET
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WORCESTER, MA 01608
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