Douglas Little

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Pilot Butte, CA

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Patents Grantslast 30 patents

Information Patent Grant
Manure spreader improvements
- Patent number 10,842,069
- Issue date Nov 24, 2020
- Dutch Blacksmith Shop Ltd.
- Sheldon Joseph Grywacheski
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Manure spreader improvements
- Patent number 10,470,354
- Issue date Nov 12, 2019
- Dutch Blacksmith Shop Ltd.
- Sheldon Joseph Grywacheski
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
MANURE SPREADER IMPROVEMENTS
- Publication number 20200068786
- Publication date Mar 5, 2020
- Dutch Blacksmith Shop Ltd.
- Sheldon Joseph Grywacheski
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Manure Spreader Improvements
- Publication number 20190110390
- Publication date Apr 18, 2019
- Dutch Blacksmith Shop Ltd.
- Sheldon Joseph Grywacheski
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING