Patent applications and USPTO patent grants for Demartini; Robert J..The latest application filed is for "rain gutter cover".
Patent | Date |
---|---|
Rain gutter cover Grant 8,297,000 - Demartini October 30, 2 | 2012-10-30 |
Rain gutter cover App 20090090067 - Demartini; Robert J. | 2009-04-09 |
Laminar flow generation devices Grant 5,333,417 - Demartini August 2, 1 | 1994-08-02 |
Hangers for rain gutter devices Grant 4,497,146 - Demartini February 5, 1 | 1985-02-05 |
Rain gutter devices Grant 4,404,775 - Demartini September 20, 1 | 1983-09-20 |
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