Smoke detector apparatus and ionization chamber therefor | Patent Number 04167687

US 04167687 NA
Application Number5767582
Publication Number-
Pendency2 years, 7 months, 3 days
Filled DateFeb 10, 1977
Priority Date-
Publication Date-
Expiration DateSep 11, 1983
Inventor/Applicants Douglas E. Furney
Examines-
Art Unit0
Technology Center0
Assignments
Unitec Inc.
Current
Unitec Inc.
Original
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