Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D597743 | Extrusion for a picture frame | — | 2009-08-11 |
| D597742 | Extrusion for a picture frame | — | 2009-08-11 |
| D483957 | Picture frame | — | 2003-12-23 |
| 6622116 | Time and activity tracker | Michael G. Lehman | 2003-09-16 |
| 6397167 | Time and activity tracker with hardware abstraction layer | Michael G. Lehman | 2002-05-28 |
| 6185514 | Time and work tracker with hardware abstraction layer | Michael G. Lehman | 2001-02-06 |
| 6082033 | Picture framed postcard | — | 2000-07-04 |
| 5963914 | Network time and work tracker | Michael G. Lehman | 1999-10-05 |
| 5696702 | Time and work tracker | Michael G. Lehman | 1997-12-09 |