Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6539755 | Electric lock | Brandt Aucamp | 2003-04-01 |
| 6472985 | Security control system | — | 2002-10-29 |
| 6446212 | Processor having an extended operating voltage range | Willem Smit, Johannes A. van Niekerk, Willem J. Marneweck | 2002-09-03 |
| 6249089 | Intelligent electrical device comprising microchip | — | 2001-06-19 |
| 6191701 | Secure self learning system | — | 2001-02-20 |
| 6175312 | Encoder and decoder microchips and remote control devices for secure unidirectional communication | Willem Smit, Gideon Jacobus Kuhn | 2001-01-16 |
| 6166650 | Secure self learning system | — | 2000-12-26 |
| 6108326 | Microchips and remote control devices comprising same | — | 2000-08-22 |
| 6058294 | Adjustable frequency stabilizing internal chip capacitor system | Willem Smit | 2000-05-02 |
| 6049289 | Remote controlled garage door opening system | Dennis W. Waggamon, Willem J. Marneweck, Vivien Delport | 2000-04-11 |
| 5841866 | Secure token integrated circuit and method of performing a secure authentication function or transaction | Pieter Jacobus Pretorius, Theodor Johannes Dippenaar | 1998-11-24 |
| 5768208 | Fail safe non-volatile memory programming system and method therefor | Emile VAN ROOYEN, Willem Smit, Thomas C. Salt | 1998-06-16 |
| 5686904 | Secure self learning system | — | 1997-11-11 |
| 5675622 | Method and apparatus for electronic encoding and decoding | Kent Hewitt, Willem Smit, Emile VAN ROOYEN | 1997-10-07 |
| 5517187 | Microchips and remote control devices comprising same | Willem Smit, Gideon Jacobus Kuhn | 1996-05-14 |