Calvin Frelier

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Rain gutter with cyclonic debris ejection
- Patent number 9,255,411
- Issue date Feb 9, 2016
- Calvin Arthur Frelier
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Fluid flow channel and scavenger system
- Patent number 8,584,403
- Issue date Nov 19, 2013
- Calvin A. Frelier
- B08 - CLEANING
Information Patent Grant
Rain gutter drainage and debris removal system
- Patent number 7,610,721
- Issue date Nov 3, 2009
- Calvin A. Frelier
- E04 - BUILDING
Information Patent Grant
Gutter drainage and debris removal system
- Patent number 7,428,799
- Issue date Sep 30, 2008
- Calvin Frelier
- E04 - BUILDING