David R. Usher

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Pop jet fountain
- Patent number 5,161,740
- Issue date Nov 10, 1992
- Robert L. Kuykendal
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Lighted laminar flow nozzle
- Patent number 5,160,086
- Issue date Nov 3, 1992
- Robert L. Kuykendal
- F21 - LIGHTING