Richard A. Dugge

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DesPeres, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Hatch vent assembly for railroad cars with baffle and screen mesh t...
- Patent number 5,158,022
- Issue date Oct 27, 1992
- ACF Industries, Inc.
- Richard A. Dugge
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL