Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529005 | Self leveling picture frame assembly | — | 2022-12-20 |
| 10925415 | Self-leveling picture frame apparatus | — | 2021-02-23 |
| 9586655 | Retractable swim platform and steps for pontoon boats | — | 2017-03-07 |
| 7185536 | Pressure monitoring technique for downhole tools | T. Glen Butler | 2007-03-06 |
| 6910375 | Pressure monitoring technique and applications involving wells | T. Glen Butler | 2005-06-28 |
| D374463 | Electronic game gun | Colum Butler, Ivano Cafolla | 1996-10-08 |
| 4958396 | Golf club and golf ball cleaning device | Albert Stellar | 1990-09-25 |