Donald C. Liu

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Trumbull, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-functional hot beverage brewing device
- Patent number 7,565,860
- Issue date Jul 28, 2009
- Donald C. Liu
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Spinning reel with rear adjustable drag, adjustable handle length a...
- Patent number 6,966,516
- Issue date Nov 22, 2005
- W. C. Bradley/Zebco Holdings, Inc.
- Robert W. Koelewyn
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Spinning reel with rear adjustable drag, adjustable handle length a...
- Patent number 6,769,639
- Issue date Aug 3, 2004
- W. C. Bradley/Zebco Holdings, Inc.
- Robert W. Koelewyn
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
Spinning reel with rear adjustable drag, adjustable handle length a...
- Publication number 20040232264
- Publication date Nov 25, 2004
- W.C. Bradley/Zebco Holdings, Inc.
- Robert W. Koelewyn
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Spinning reel with rear adjustable drag, adjustable handle length a...
- Publication number 20020066815
- Publication date Jun 6, 2002
- Robert W. Koelewyn
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC