Steven A. Hallstrom

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Tillamook, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Reciprocating conveyor with top front drive
- Patent number 6,513,648
- Issue date Feb 4, 2003
- Olof A. Hallstrom
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Automatic reciprocation of a reversible fluid pressure unit and swi...
- Patent number 5,490,441
- Issue date Feb 13, 1996
- Olof A. Hallstrom
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL