Matthew D. Chaffee

Follow

Person

White Bear Lake, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Writing instrument with sheet dispenser
- Patent number D633142
- Issue date Feb 22, 2011
- 3M Innovative Properties Company
- Matthew D. Chaffee
- D19 - Office supplies
Information Patent Grant
Writing instrument with sheet dispenser
- Patent number D623222
- Issue date Sep 7, 2010
- 3M Innovative Properties Company
- Matthew D. Chaffee
- D19 - Office supplies
Information Patent Grant
Writing instrument with sheet dispenser
- Patent number D623223
- Issue date Sep 7, 2010
- 3M Innovative Properties Company
- Matthew D. Chaffee
- D19 - Office supplies
Information Patent Grant
Stem for a power tool attachment
- Patent number D610430
- Issue date Feb 23, 2010
- 3M Innovative Properties Company
- Peter J. Fritz
- D08 - Tools and hardware
Information Patent Grant
Small, portable power tool
- Patent number D606827
- Issue date Dec 29, 2009
- 3M Innovative Properties Company
- Peter J Fritz
- D08 - Tools and hardware
Information Patent Grant
Writing instrument with sheet dispenser
- Patent number D581978
- Issue date Dec 2, 2008
- 3M Innovative Properties Company
- David C. Windorski
- D19 - Office supplies