Trademark applications and grants for Northrop John H. Northrop John H has 1 trademark applications. The latest application filed is for "JHNA JOHN H. NORTHROP & ASSOCIATES"
Patent Application | Date |
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Combined positive controlled sludge dryer and burner 5,357,881 - 08/016,161 Elcik , et al. October 25, 1 | 1994-10-25 |
OPTICAL DISC DRIVE FOR ORGAN 3,724,860 - 05/096,813 Northrop , et al. April 3, 1 | 1973-04-03 |
RADIATION SENSITIVE READOUT HEAD WITH CIRCUIT BOARD CONSTRUCTION 3,694,660 - 05/105,889 La Branche , et al. September 26, 1 | 1972-09-26 |
Mark Image Registration | Serial | Trademark Application Date |
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![]() "JHNA JOHN H. NORTHROP & ASSOCIATES" 3251197 78857254 |
JHNA JOHN H. NORTHROP & ASSOCIATES 2006-04-08 |
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