Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109702 | Boot seal for machine system and method | Sunil I. Mathew, Hong Lian, Craig D. Goeppinger | 2015-08-18 |
| 8967868 | Threaded bearing retainer | — | 2015-03-03 |
| 7243468 | System to lay out the position of glass blocks for construction of a glass block wall | — | 2007-07-17 |
| D513966 | Glass block spacer | — | 2006-01-31 |
| 6922961 | Vertical and horizontal spacers to form curved glass block walls | — | 2005-08-02 |
| 6823634 | Horizontal spacer to form angled glass block walls | — | 2004-11-30 |
| D494042 | Glass block spacer | — | 2004-08-10 |
| D402535 | Glass block spacer | — | 1998-12-15 |
| D379233 | Glass block frame | — | 1997-05-13 |
| D368533 | Glass block frame | — | 1996-04-02 |