Stephenson; Andrew J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stephenson; Andrew J..The latest application filed is for "visual spill indicator".
- Stephenson; Andrew J. - Bay City MI
- Stephenson; Andrew J. - Midland MI
| Patent | Date |
|---|---|
| Visual spill indicator Grant 7,704,750 - Hall , et al. April 27, 2 | 2010-04-27 |
| Visual spill indicator App 20080108142 - Hall; Richard H. ; et al. | 2008-05-08 |
| Stand-pipe assembly unit for a containment basin which holds a sorbent material containing cartridge and which can hold a silt-collecting sock over its top tray Grant D419,652 - Hall , et al. January 25, 2 | 2000-01-25 |
| Disc-shaped container which can hold absorbent material Grant D415,831 - Hall , et al. October 26, 1 | 1999-10-26 |
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