Trademark applications and grants for Johnson Harold R. Johnson Harold R has 1 trademark applications. The latest application filed is for "RHOCREMATIC/RHODATA"
Patent Application | Date |
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Energy saving furnace controller 4,667,874 - 06/758,147 Johnson , et al. May 26, 1 | 1987-05-26 |
Energy saving furnace controller 4,667,874 - 06/758,147 Johnson , et al. May 26, 1 | 1987-05-26 |
Air conditioning apparatus and methods using underground duct 4,367,631 - 06/159,671 Johnson , et al. January 11, 1 | 1983-01-11 |
Air conditioning apparatus and methods using underground duct 4,367,631 - 06/159,671 Johnson , et al. January 11, 1 | 1983-01-11 |
VERTICALLY ADJUSTABLE PLATFORM FOR SCAFFOLDING 3,610,368 - 04/870,457 Johnson October 5, 1 | 1971-10-05 |
Mark Image Registration | Serial | Trademark Application Date |
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![]() "RHOCREMATIC/RHODATA" 78254598 |
RHOCREMATIC/RHODATA 2003-05-27 |
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