Kulak; Richard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kulak; Richard.The latest application filed is for "guide assembly for at least one elevator door".
- Kulak; Richard - Bristol CT
Trademarks
| Patent | Date |
|---|---|
| Guide assembly for at least one elevator door Grant 8,272,481 - Tracey , et al. September 25, 2 | 2012-09-25 |
| Guide Assembly For At Least One Elevator Door App 20100147632 - Tracey; Michael ; et al. | 2010-06-17 |
| Elevator with rollers having selectively variable hardness Grant 7,543,686 - Kulak , et al. June 9, 2 | 2009-06-09 |
| Elevator door operator and interlock arrangement App 20080011556 - Galante; Timothy P. ; et al. | 2008-01-17 |
| Elevator roller guide with variable stiffness damper App 20070000732 - Kulak; Richard ; et al. | 2007-01-04 |
| Elevator with rollers having selectively variable hardness App 20060207835 - Kulak; Richard ; et al. | 2006-09-21 |
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