| Original language | English |
|---|---|
| Patent number | US patent #5,956,400 |
| Publication status | Published - 21 Sept 1999 |
Partitioned information storage systems with controlled retrieval
D. Chaum (Inventor), N.T. Ferguson (Inventor), L.A.M. Schoenmakers (Inventor), E.W. Voskuil (Inventor)
Research output: Patent › Patent publication