Van Dan Elzen; Hans W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Dan Elzen; Hans W..The latest application filed is for "motorized yo-yo".
- Van Dan Elzen; Hans W. - Gilbert AZ US
- Van Dan Elzen; Hans W - Gilbert AZ US
- VAN DAN ELZEN; Hans W. - Chandler AZ
- Van Dan Elzen; Hans W. - Gibart AZ
- Van Dan Elzen; Hans W. - Scottsdale AZ
| Patent | Date |
|---|---|
| Motorized yo-yo Grant 10,384,139 - Van Dan Elzen A | 2019-08-20 |
| Yo-yo Grant D843,491 - Van Dan Elzen | 2019-03-19 |
| Motorized Yo-yo App 20190030443 - VAN DAN ELZEN; Hans W. | 2019-01-31 |
| Motorized yo-yo Grant 10,086,301 - Van Dan Elzen October 2, 2 | 2018-10-02 |
| Motorized Yo-yo App 20180065052 - VAN DAN ELZEN; Hans W. | 2018-03-08 |
| Yo-yo Having Twist-on Releasable Rims And Yo-yo Having Twist-on Gear-locked Bodies App 20130065481 - VAN DAN ELZEN; Hans W. | 2013-03-14 |
| Yo-yo having a modifiable string gap Grant 8,360,814 - Van Dan Elzen January 29, 2 | 2013-01-29 |
| Yo-yo having twist-on releasable rims and yo-yo having twist-on gear-locked bodies Grant 8,328,595 - Van Dan Elzen December 11, 2 | 2012-12-11 |
| Yo-yo Having A Changeable Shape App 20120244780 - Van Dan Elzen; Hans W. ; et al. | 2012-09-27 |
| Motorized yo-yo having improved efficiency Grant 8,187,052 - Van Dan Elzen , et al. May 29, 2 | 2012-05-29 |
| Yo-yo having a string-formed response system Grant 8,075,365 - Schonert , et al. December 13, 2 | 2011-12-13 |
| Yo-yo Having A Modifiable String Gap App 20110256793 - Van Dan Elzen; Hans W. | 2011-10-20 |
| Motorized Yo-yo Having Improved Efficiency App 20110212665 - Van Dan Elzen; Hans W. ; et al. | 2011-09-01 |
| Yo-yo Grant D641,802 - Van Dan Elzen July 19, 2 | 2011-07-19 |
| Yo-yo having side-located roller members Grant 7,874,890 - Van Dan Elzen January 25, 2 | 2011-01-25 |
| Motorized yo-yo Grant 7,874,891 - Van Dan Elzen , et al. January 25, 2 | 2011-01-25 |
| Yo-yo Having Quickly-adjustable Responsiveness App 20110009029 - Van Dan Elzen; Hans W. ; et al. | 2011-01-13 |
| Yo-yo Having Twist-on Releasable Rims And Yo-yo Having Twist-on Gear-locked Bodies App 20100317255 - VAN DAN ELZEN; Hans W. | 2010-12-16 |
| Yo-yo Having A Push-button Locking Mechanism App 20100317254 - Van Dan Elzen; Hans W. ; et al. | 2010-12-16 |
| Yo-yo Having A String-formed Response System App 20100022159 - Schonert; Matthew C. ; et al. | 2010-01-28 |
| Yo-yo having a string-formed response system Grant 7,621,796 - Schonert , et al. November 24, 2 | 2009-11-24 |
| Motorized Yo-yo App 20090075553 - Van Dan Elzen; Hans W. ; et al. | 2009-03-19 |
| Motor yo-yo Grant 7,448,934 - Van Dan Elzen , et al. November 11, 2 | 2008-11-11 |
| Yo-yo Having Side-located Roller Members App 20080171488 - Van Dan Elzen; Hans W. | 2008-07-17 |
| Yo-yo having a string- formed response system App 20070224910 - Schonert; Matthew C. ; et al. | 2007-09-27 |
| Motor yo-yo App 20070105478 - Van Dan Elzen; Hans W. ; et al. | 2007-05-10 |
| Yo-yo having adjustable responsiveness Grant 7,192,330 - Van Dan Elzen March 20, 2 | 2007-03-20 |
| Yo-yo Having Replaceable Disks App 20060246818 - Van Dan Elzen; Hans W. | 2006-11-02 |
| Yo-yo having replaceable disks Grant 7,125,310 - Van Dan Elzen October 24, 2 | 2006-10-24 |
| Yo-yo having adjustable responsiveness App 20060178083 - Van Dan Elzen; Hans W. | 2006-08-10 |
| Yo-yo having modifiable side members App 20060094329 - Van Dan Elzen; Hans W. | 2006-05-04 |
| Yo-yo having visual indication of response setting Grant 6,887,122 - Van Dan Elzen , et al. May 3, 2 | 2005-05-03 |
| Yo-yo having an active starburst tether engagement system Grant 6,599,165 - Van Dan Elzen July 29, 2 | 2003-07-29 |
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