Mary B. Harwich

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Glencoe, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Convertible butterfly and bird feeder
- Patent number 6,067,934
- Issue date May 30, 2000
- Mary Belle T. Harwich
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Secure flying animal feeder
- Patent number 5,806,458
- Issue date Sep 15, 1998
- Mary Belle T. Harwich
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Observation and feeding device for crawling insects, particularly ants
- Patent number 5,398,642
- Issue date Mar 21, 1995
- Mary B. Harwich
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Feeder with food protection grid
- Patent number 5,377,617
- Issue date Jan 3, 1995
- Mary B. Harwich
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Collapsible feeder and protective enclosure
- Patent number 5,203,281
- Issue date Apr 20, 1993
- Mary B. Harwich
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING