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: | 006856/0854 | |
| Pages: | 10 |
| | Recorded: | 12/21/1993 | | |
| Conveyance: | COLLATERAL ASSIGNMENT |
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Total properties:
3
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Patent #:
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Issue Dt:
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06/16/1992
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Application #:
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07416958
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Filing Dt:
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10/04/1989
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Title:
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SINGLE PARTICLE DETECTOR METHOD AND APPARATUS UTILIZING LIGHT EXTINCTION WITHIN A SHEET OF LIGHT
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Patent #:
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Issue Dt:
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02/04/1992
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Application #:
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07442546
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Filing Dt:
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11/28/1989
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Title:
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NON-IMAGING LASER PARTICLE COUNTER
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Patent #:
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Issue Dt:
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11/16/1993
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Application #:
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07777016
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Filing Dt:
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10/16/1991
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Title:
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VACUUM PARTICLE DETECTOR
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Assignee
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| 500 CARDIGAN ROAD |
| P.O. BOX 64394 |
| ST. PAUL, MINNESOTA 55164 |
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Correspondence name and address
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STEVEN A. ERICKSON
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HUTCHINSON BLACK AND COOK, LLC
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1215 SPRUCE STREET
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BOULDER, CO 80302
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