Dave Downing

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West Chester, OH, US

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Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR SEALING A VENTILATION CHANNEL OF A PIPE
- Publication number 20110277908
- Publication date Nov 17, 2011
- Dave DOWNING
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Apparatus and Method For Sealing A Ventilation Channel of A Pipe
- Publication number 20110277866
- Publication date Nov 17, 2011
- Advanced Drainage Systems, Inc.
- Dave Downing
- F24 - HEATING RANGES VENTILATING