Housing for an electric heater

Details Housing for an electric heater Housing for an electric heater

1993-04-13

1994-08-16

Lichtenstein, Lisa P.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Portable

D23335

Patent

active

D03497615

REFERENCES:
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patent: D277780 (1985-02-01), Horst, Sr. et al.
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patent: D313271 (1990-12-01), Schade
patent: D314615 (1991-02-01), Hetherington
patent: D316596 (1991-04-01), Ooki et al.
patent: D337635 (1993-07-01), Schindler et al.
patent: 3305665 (1967-02-01), Laing
patent: 3322932 (1967-05-01), Laing
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patent: 3397463 (1968-08-01), Laing
patent: 3725640 (1973-04-01), Kunz
patent: 3731057 (1973-05-01), Kunz et al.
patent: 3846617 (1974-11-01), Glucksman
Sales Literature for TEAC IC-500 and IC-300 Air Cleaners, published prior to Apr., 1993.

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