Donald L. Keehn

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Healdsburg, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Display filter and bezel securement apparatus
- Patent number 5,909,315
- Issue date Jun 1, 1999
- Optical Coating Laboratory, Inc.
- Donald L. Keehn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Television filter
- Patent number 5,852,513
- Issue date Dec 22, 1998
- Optical Coating Laboratory, Inc.
- James D. McDole
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adjustable hanger for mounting an anti-glare filter on a monitor
- Patent number 5,803,424
- Issue date Sep 8, 1998
- Optical Coating Laboratory, Inc.
- Donald L. Keehn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Universal bezel and anti-glare filter for monitors
- Patent number 5,155,627
- Issue date Oct 13, 1992
- Optical Coating Laboratory, Inc.
- Donald L. Keehn
- G06 - COMPUTING CALCULATING COUNTING