David S. Kirkwood

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hanger accessory device
- Patent number 9,867,487
- Issue date Jan 16, 2018
- David S. Kirkwood
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Hanger accessory device
- Patent number 9,380,902
- Issue date Jul 5, 2016
- David S. Kirkwood
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Hanger Accessory Device
- Publication number 20160331169
- Publication date Nov 17, 2016
- David S. Kirkwood
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Hanger Accessory Device
- Publication number 20160270576
- Publication date Sep 22, 2016
- David S. Kirkwood
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Hanger Accessory Device
- Publication number 20150201782
- Publication date Jul 23, 2015
- David S. Kirkwood
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...