Career records & work history
Medicine Doctors
Joel Garland Fletcher
Specialties:
Radiology
Diagnostic Radiology
Diagnostic Radiology
Education:
Harvard University(1993)
Joel J Fletcher, 42Grand Junction, CO
Joel Fletcher Phones & Addresses
Grand Junction, CO
Clifton, CO
Fresno, CA
Long Beach, CA
Mentions for Joel J Fletcher
Joel Fletcher resumes & CV records
Resumes
Joel Fletcher
Location:
United States
Education:
McGill University
BA, Film & Communications
BA, Film & Communications
Publications & IP owners
Us Patents
Internal Pilferage Alarm
US Patent:
4920333, Apr 24, 1990
Filed:
May 26, 1988
Appl. No.:
7/199064
Inventors:
Robert Barr - Clovis CA
Joel A. Fletcher - San Francisco CA
Joel A. Fletcher - San Francisco CA
Assignee:
Robert Barr - Clovis CA
International Classification:
G08B 1308
US Classification:
340545
Abstract:
An alarm system for monitoring an entrance/exit from a premises is provided with a deadbolt switch, timing mechanism, alarm circuitry and an alarm indicator. The alarm system is activated when the deadbolt is unlocked. The alarm circuitry determines if the unlocking of the deadbolt was authorized or unauthorized. If the unlocking was unauthorized, the alarm indicator is activated. If the unlocking was authorized, the timing mechanism is activated. If the deadbolt is not relocked within the time period preset into the timing mechanism, the alarm indicator is activated. The timing mechanism may be reset by authorized persons to allow the deadbolt to remain open for additional time periods, one period at a time.
Isbn (Books And Publications)
A Canadian Tragedy
Author:
Joel Fletcher
ISBN #:
0595095283
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