Duane A. Drost

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Harris, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for removing carcass in hog confinement buildings
- Patent number 6,550,746
- Issue date Apr 22, 2003
- Duane A. Drost
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for removing carcass in hog confinement buildings
- Publication number 20020185638
- Publication date Dec 12, 2002
- Duane A. Drost
- A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
Information Patent Application
Hay bale pick-up device
- Publication number 20020187021
- Publication date Dec 12, 2002
- Duane A. Drost
- B60 - VEHICLES IN GENERAL