Spencer A. Stone

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Fort Wayne, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
End elevation adjustment of material separating tables
- Patent number 4,521,302
- Issue date Jun 4, 1985
- Spencer A. Stone
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Vibrator device
- Patent number 4,080,840
- Issue date Mar 28, 1978
- The Deister Concentrator Co., Inc.
- Spencer A. Stone
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Apparatus for separating high gravity from low gravity fractions of...
- Patent number 4,033,863
- Issue date Jul 5, 1977
- Deister Concentrator Company Inc.
- Spencer A. Stone
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...