John C. Crumrine

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Beatrice, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
Lawn mower having flow control baffles and removable mulching baffles
- Patent number 5,987,863
- Issue date Nov 23, 1999
- ExMark Mfg. Co.
- Garry W. Busboom
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Lawn mower having a low center of gravity
- Patent number 5,865,020
- Issue date Feb 2, 1999
- ExMark Mfg. Co.
- Garry W. Busboom
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Lawn mower having flow control baffles and removable mulching baffles
- Patent number 5,845,475
- Issue date Dec 8, 1998
- Exmark Mfg. Co., Inc.
- Garry W. Busboom
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Riding lawn mower including a mower deck height control mechanism
- Patent number 5,816,033
- Issue date Oct 6, 1998
- Exmark Mfg. Co., Inc.
- Garry W. Busboom
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING