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: | 004830/0580 | |
| Pages: | 4 |
| | Recorded: | 01/11/1988 | | |
Conveyance: | RE-RECORD OF AN INSTRUMENT RECORDED MARCH 20, 1987, REEL 4686 FRAME 703-706, TO CORRECT A PATENT NUMBER ERRORNEOUSLY STATED AS 4,221,443. |
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Total properties:
8
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Patent #:
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Issue Dt:
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01/15/1974
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Application #:
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05263681
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Filing Dt:
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06/16/1972
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Title:
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INSTITUTIONAL SECURITY SYSTEM
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Patent #:
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Issue Dt:
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02/19/1974
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Application #:
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05327068
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Filing Dt:
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01/26/1973
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Title:
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ELECTRIC LOCK
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Patent #:
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Issue Dt:
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11/13/1973
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Application #:
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05328868
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Filing Dt:
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02/01/1973
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Title:
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CONTROL AND RESPONSE SYSTEMS AND UNITS
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Patent #:
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Issue Dt:
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06/08/1976
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Application #:
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05586796
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Filing Dt:
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06/13/1975
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Title:
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PRISON DOOR LOCKING MECHANISM
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Patent #:
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Issue Dt:
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12/28/1976
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Application #:
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05625686
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Filing Dt:
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10/24/1975
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Title:
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LOCK KNOB CONTROL MECHANISM
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Patent #:
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Issue Dt:
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Application #:
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05865323
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Filing Dt:
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12/28/1977
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Title:
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ELECTRIC HINGE
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Patent #:
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Issue Dt:
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07/08/1980
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Application #:
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05870087
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Filing Dt:
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01/17/1978
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Title:
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ELECTRIC STRIKE
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Patent #:
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Issue Dt:
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06/10/1986
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Application #:
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06539331
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Filing Dt:
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10/05/1983
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Title:
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SECURITY LOCK
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Assignees
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BROAD AND WALNUT STREETS |
PHILADELPHIA, PENNSYLVANIA 19109 |
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Correspondence name and address
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DECHERT, PRICE & RHOADS
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1500 MARKET STREET
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PHILADELPHIA, PA 19102
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