Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D538939 | Infant nurser | Jonathan Conaway, Michelle Huan Liu, Mark W. Geis | 2007-03-20 |
| 6360446 | Level having a laser beam source | David L. Wakefield | 2002-03-26 |
| 6209219 | Measuring device with housing orientation indicator and position transferring focused light-beam source | David L. Wakefield | 2001-04-03 |
| 6211662 | Hand-held hidden object sensor for sensing a location of objects hidden behind a surface of an architectural structure | David L. Wakefield, Russell Powers, Ronald Tak Yan Yim | 2001-04-03 |