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Horst Appelmann
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Pickering, CA
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last 30 patents
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Patent Grant
Balanced door closing apparatus
Patent number
5,309,676
Issue date
May 10, 1994
C. J. Rush A Division Of Derlan Manufacturing Inc.
Horst J. Appelmann
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Quarter point return mechanism for manually operated revolving doors
Patent number
4,872,285
Issue date
Oct 10, 1989
C. J. Rush Inc.
Horst Appelmann
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Quarter point return mechanism for manually operated revolving doors
Patent number
4,800,679
Issue date
Jan 31, 1989
C. J. Rush Inc.
Horst Appelmann
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Collapsible revolving door
Patent number
4,332,108
Issue date
Jun 1, 1982
C. J. Rush Limited
Horst Appelmann
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES