Filter device
Latest DWT Deutsche Wassertechnologien GmbH Patents:
Description
Claims
The ornamental design for a filter device, as shown.
Referenced Cited
Patent History
Patent number: D668740
Type: Grant
Filed: Oct 20, 2011
Date of Patent: Oct 9, 2012
Assignee: DWT Deutsche Wassertechnologien GmbH (Frankfurt am Main)
Inventors: Vladimir Mikhailovich Kulikov (Moscow), Vladimir Alekseevich Zakharov (Moscow)
Primary Examiner: Robin V Webster
Attorney: Bachmna & LaPointe, P.C.
Application Number: 29/404,377
Type: Grant
Filed: Oct 20, 2011
Date of Patent: Oct 9, 2012
Assignee: DWT Deutsche Wassertechnologien GmbH (Frankfurt am Main)
Inventors: Vladimir Mikhailovich Kulikov (Moscow), Vladimir Alekseevich Zakharov (Moscow)
Primary Examiner: Robin V Webster
Attorney: Bachmna & LaPointe, P.C.
Application Number: 29/404,377
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)