US Patent D536780 Ventilation apparatus

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D536780

Patent Inventor Names

Robert Dent0

Ulrich Lerche0

Date of Patent

February 13, 2007

Patent Application Number

29235365

Date Filed

August 1, 2005

Patent Citations Received

‌

US Patent D1041630 Cooling fan

‌

US Patent 11774116 Evaporative air cooling tower

‌

US Patent D1007657 Personal air cooling tower

‌

US Patent 11852373 Evaporative air cooler having an ice pack

‌

US Patent 11953256 Evaporative personal air cooler with clip

Patent Primary Examiner

‌

Louis Zarfas

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