|
WO1985001582A1
|
Time and accounting system |
Expired / Lapsed
|
1984-10-02 |
— |
0 |
Details
|
|
US5204670A
|
Adaptable electric monitoring and identification system |
Expired / Lapsed
|
1990-08-23 |
1993-04-20 |
14 |
Details
|
|
US4843377A
|
Remote confinement system |
Expired / Lapsed
|
1987-04-21 |
1989-06-27 |
234 |
Details
|