William L Keller, Jr.

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Delta, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
External diaphragm game call with manual diaphragm manipulation
- Patent number 8,025,548
- Issue date Sep 27, 2011
- Hunter's Specialties, Inc.
- William L Keller, Jr.
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
External diaphragm game call with manual diaphragm manipulation
- Patent number 7,963,819
- Issue date Jun 21, 2011
- Hunter's Specialties, Inc.
- William L Keller, Jr.
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
External diaphragm game call with manual diaphragm manipulation
- Patent number 7,553,210
- Issue date Jun 30, 2009
- Hunter's Specialties, Inc.
- William L Keller, Jr.
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING