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Patent applications and USPTO patent grants for Hadfield; Robert W..The latest application filed is for "method and apparatus for improved activation of services in an office building floor".
Patent | Date |
---|---|
Method and apparatus for improved activation of services in an office building floor Grant 5,467,565 - Bowman , et al. November 21, 1 | 1995-11-21 |
Access means for flush floor fitting Grant 5,160,808 - Hadfield * November 3, 1 | 1992-11-03 |
Outlet fitting Grant 4,883,924 - Hadfield November 28, 1 | 1989-11-28 |
Economy poke-thru Grant 4,573,297 - Benscoter , et al. March 4, 1 | 1986-03-04 |
Out-of-sight service fittings Grant 4,209,660 - Flachbarth , et al. June 24, 1 | 1980-06-24 |
Floor Boxes Grant 3,844,440 - Hadfield , et al. October 29, 1 | 1974-10-29 |
Underfloor Boxes Grant 3,784,042 - Hadfield , et al. January 8, 1 | 1974-01-08 |
Floor Fitting Grant 3,756,447 - Hadfield September 4, 1 | 1973-09-04 |
Carpet Trim Grant 3,736,713 - Flachbarth , et al. June 5, 1 | 1973-06-05 |
Carpet-underfloor Adapter Grant 3,603,048 - Hadfield , et al. September 7, 1 | 1971-09-07 |
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