Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D516414 | Caster yoke | Craig J. Guttmann, Sean Guttmann, Csaba Lemak | 2006-03-07 |
| D515913 | Caster | Craig J. Guttmann, Sean Guttmann, Csaba Lemak | 2006-02-28 |
| 6931692 | Kingpin-free caster assembly | Craig J. Guttmann, Sean Guttmann, Csaba Lemak | 2005-08-23 |
| 6539578 | Deflecting spring caster | Craig J. Guttmann, Sean Guttmann, Csaba Lemak | 2003-04-01 |
| 6484359 | Load indicating spring caster | Craig J. Guttmann, Sean Guttmann, Csaba Lemak | 2002-11-26 |