Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8215621 | Linear filament compression and torsion spring | Frederick B. Koehler, Ward D. Lyman | 2012-07-10 |
| 8139298 | Optically measurable mounting structure | Chadwick Brian Martin | 2012-03-20 |
| 7950634 | Linear filament compression and torsion spring | Frederick B. Koehler, Ward D. Lyman | 2011-05-31 |
| 7549117 | Worldwide number format for a spreadsheet program module | Marise Chan, Barry C. McCord, James Sukhabut, Christopher Yu | 2009-06-16 |
| 6957385 | Worldwide number format for a spreadsheet program module | Marise Chan, Barry C. McCord, James Sukhabut, Christopher Yu | 2005-10-18 |