Ralph E. Lagergren

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Winfield, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Writing instrument with finger retainer
- Patent number 5,971,642
- Issue date Oct 26, 1999
- Northstar, LP
- John O'Mara
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Pivotal finger retainer for writing instrument
- Patent number 5,944,433
- Issue date Aug 31, 1999
- John E. O'Mara
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument with finger retainer
- Patent number D389185
- Issue date Jan 13, 1998
- North Star, L.P.
- John E. O'Mara
- D19 - Office supplies

Patents Applicationslast 30 patents

Information Patent Application
Normally handheld instruments allowing normal fingertip activity
- Publication number 20050069371
- Publication date Mar 31, 2005
- Joseph L. Lutgen
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES