Christopher J. Hayes

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Orland Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Valve made from two materials and writing utensil with retractable...
- Patent number 8,246,265
- Issue date Aug 21, 2012
- Sanford, L.P.
- Christopher John Hayes
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Valve made from two materials and writing utensil with retractable...
- Patent number 7,850,382
- Issue date Dec 14, 2010
- Sanford, L.P.
- Christopher John Hayes
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Valve Made From Two Materials and Writing Utensil With Retractable...
- Publication number 20110084225
- Publication date Apr 14, 2011
- SANFORD, L.P.
- Christopher J. Hayes
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Valve made from two materials and writing utensil with retractable...
- Publication number 20080175648
- Publication date Jul 24, 2008
- SANFORD, L.P.
- Christopher J. Hayes
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES