Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523233 | Swing door | Damian Keller, Daniel Keller, William Bakalich | 2016-12-20 |
| 8800208 | Hydraulic cylinder control | Damian Keller, Daniel Keller, William Bakalich, Steven Schultz, Fred W. Sauer +1 more | 2014-08-12 |
| 8327586 | Hydraulic cylinder control | Damian Keller, Daniel Keller, William Bakalich, Steven Schultz, Fred W. Sauer +1 more | 2012-12-11 |
| 7219711 | Hydraulic door opening mechanism and method of installing a bi-fold door | Daniel Keller, Damian Keller, William Bakalich | 2007-05-22 |
| 7029041 | Over center door closing mechanism | — | 2006-04-18 |
| 6547292 | Over center door closing mechanism | — | 2003-04-15 |
| 6123482 | Cross-connectors for tubular members forming frameworks | — | 2000-09-26 |
| 5873591 | Accessory device and mount for wheelchair | — | 1999-02-23 |
| 5797697 | Cross-connectors for tubular members forming frameworks | — | 1998-08-25 |
| 5540432 | Golf tee and ball setter | — | 1996-07-30 |
| 5498237 | Squeeze-actuated medicinal fluid applicator | — | 1996-03-12 |