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Patent applications and USPTO patent grants for Lenz; Erwin.The latest application filed is for "outdoor lighting structure".
Patent | Date |
---|---|
Outdoor lighting structure Grant D610,731 - Lenz February 23, 2 | 2010-02-23 |
Outdoor lighting structure Grant D571,496 - Lenz June 17, 2 | 2008-06-17 |
Hydraulically driven electrically powered vehicle with energy recapture Grant 5,064,013 - Lenz November 12, 1 | 1991-11-12 |
High pressure, rotatable pipe joints Grant 5,050,913 - Lenz September 24, 1 | 1991-09-24 |
Apparatus and method for extracting focused solar radiant energy Grant 4,934,324 - Lenz June 19, 1 | 1990-06-19 |
Apparatus and method for extracting focused solar radiant energy Grant 4,823,772 - Lenz April 25, 1 | 1989-04-25 |
Advanced steering and propulsion system for ships Grant 4,767,364 - Lenz August 30, 1 | 1988-08-30 |
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