Nelson & Johnson Engineering
Records under this name other than patents Nelson & Johnson Engineering holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 3 of 3 · Back to Nelson & Johnson Engineering
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,176,597 | Manual compactor Term ended Term ended no later than Dec 4, 1999 · Low confidence | Term ended | Term ended no later than Dec 4, 1999 | Low confidence |
| US 4,436,030 | Material compactor utilizing a power transmission mechanism Term ended Term ended no later than Mar 13, 2004 · Low confidence | Term ended | Term ended no later than Mar 13, 2004 | Low confidence |
| US 4,495,496 | Personnel monitoring and locating system Term ended Term ended no later than Jan 22, 2005 · Low confidence | Term ended | Term ended no later than Jan 22, 2005 | Low confidence |