David D. Casey

Follow

Person

Overland Park, KS, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dual conversion GPS frequency converter and frequency plan for same
- Patent number 5,812,591
- Issue date Sep 22, 1998
- Garmin Corporation
- Paul K. Shumaker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Precision phase shift system
- Patent number 5,111,150
- Issue date May 5, 1992
- Garmin Corporation
- David D. Casey
- H03 - BASIC ELECTRONIC CIRCUITRY