| 5771347 |
Apparatus and method to allow a user a trial period before licensing a software program product |
J. Robert Ure |
1998-06-23 |
| 5724564 |
Computer program product and program storage device for representing and signaling run-time program conditions |
Ralph O. Conder, Scott Alan Plaetzer, Robert M. Smith, William Nicholas John Tindall |
1998-03-03 |
| 5630137 |
Condition handling in a multi-language computer program |
William P. Carney, Ralph O. Conder, Laurence England, Daniel Rodman Hicks, George Lausman +2 more |
1997-05-13 |
| 5564038 |
Method and apparatus for providing a trial period for a software license product using a date stamp and designated test period |
J. Robert Ure |
1996-10-08 |
| 5513351 |
Protecting a system during system maintenance by usage of temporary filenames in an alias table |
— |
1996-04-30 |
| 5455949 |
Method for representing and signaling run-time program conditions |
Ralph O. Conder, Scott Alan Plaetzer, Robert M. Smith, William Nicholas John Tindall |
1995-10-03 |
| 5305455 |
Per thread exception management for multitasking multithreaded operating system |
Brigitte D. L. Anschuetz, Paul P. Giangarra, Michael S. Kogan, Dean C. Oakes, Steven M. Zanoni |
1994-04-19 |
