Machines not elsewhere specified – Pump or compressor – Aquarium type
Patent
1996-09-27
1997-12-16
Seifert, Ralf
Machines not elsewhere specified
Pump or compressor
Aquarium type
1502
Patent
active
D03877779
REFERENCES:
patent: D215765 (1969-10-01), Levin
patent: D217886 (1970-06-01), Itakura
patent: D247435 (1978-03-01), Willinger et al.
patent: D247436 (1978-03-01), Willinger et al.
patent: D353652 (1994-12-01), Maryanski
patent: 367151 (1887-02-01), Duke et al.
patent: 4620924 (1986-11-01), Goldman et al.
Advertisement, Silent Air Aquarium Pumps, Penn-Plax, Inc., No Date.
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Advertisement, Elite-Maxima-Optima, No Date.
Advertisement, Force 1 & 2, No Date.
Advertisement, The Heart of Your Show case, No Date.
Advertisement, "The Pump", No Date.
Murray William H.
Renaissance Internationa, Inc.
Rosenthal Robert E.
Seifert Ralf
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