Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7125342 | Putting training aid and calibration device | John M. Andrews | 2006-10-24 |
| 6921341 | Putting training aid and calibration device | John M. Andrews | 2005-07-26 |
| 6729968 | Putting training aid and calibration device | John M. Andrews | 2004-05-04 |
| 5568682 | Orthogonal grid circuit interconnect method | Louis E. Gates, Jr. | 1996-10-29 |