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Sign-up and login interface using a messaging system |
Beth Polish, Seth Godin, Robert Gehorsam |
2024-10-01 |
| 12066320 |
Calibration system and method |
— |
2024-08-20 |
| 11962628 |
Real-time event and participant communication systems |
Beth Polish, Seth Godin, Robert Gehorsam |
2024-04-16 |
| 11215499 |
Calibration apparatus and method |
— |
2022-01-04 |
| 9430728 |
Electronic identification system with improved sensitivity |
Michael L. Beigel, Steven Frank, Robert E. Malm |
2016-08-30 |
| 7737821 |
Electronic identification system with improved sensitivity |
Michael L. Beigel, Steven Frank, Robert E. Malm |
2010-06-15 |
| 7568617 |
Learning fare collection system for mass transit |
Martin Friedrich Ludwig Silbernagl |
2009-08-04 |
| 7566003 |
Learning fare collection system for mass transit |
Martin Friedrich Ludwig Silbernagl |
2009-07-28 |
| 6472975 |
Electronic identification system with improved sensitivity |
Michael L. Beigel, Steven Frank, Robert E. Malm |
2002-10-29 |
| 6430531 |
Bilateral speech system |
— |
2002-08-06 |
| 5963202 |
System and method for distributing and managing digital video information in a video distribution network |
— |
1999-10-05 |
| 5235326 |
Multi-mode identification system |
Michael L. Beigel, Robert E. Malm |
1993-08-10 |