Dangrow; Joseph C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dangrow; Joseph C..The latest application filed is for "ladder, top and method".
- Dangrow; Joseph C. - Fredonia PA US
- Dangrow; Joseph C. - Mercer PA
- Dangrow; Joseph C - Mercer PA US
- - Fredonia PA US
| Patent | Date |
|---|---|
| Ladder leveler and method Grant 10,760,337 - Dangrow , et al. Sep | 2020-09-01 |
| Ladder, Top and Method App 20200232280 - Mora; Daniel C. ; et al. | 2020-07-23 |
| Ladder, Top and Method App 20200208470 - Parker; Thomas W. ; et al. | 2020-07-02 |
| Ladder, Top and Method Grant 10,612,305 - Mora , et al. | 2020-04-07 |
| Interlocking Work Platform System and Method App 20200102760 - Woodward; Steve ; et al. | 2020-04-02 |
| Ladder, top and method Grant 10,590,703 - Parker , et al. | 2020-03-17 |
| Stepladder Having a Ladder Top with Conduit Holder Slot and Method App 20200056427 - Tiber; Robert C. ; et al. | 2020-02-20 |
| Interlocking work platform system and method Grant 10,494,824 - Woodward , et al. De | 2019-12-03 |
| Stepladder having a ladder top with conduit holder slot and method Grant 10,458,183 - Tiber , et al. Oc | 2019-10-29 |
| Ladder, Foot and Method App 20190226279 - Beggs; Robert D. ; et al. | 2019-07-25 |
| Interlocking Work Platform System and Method App 20190119932 - Woodward; Steve ; et al. | 2019-04-25 |
| Ladder top Grant D835,807 - Lentine , et al. Dec | 2018-12-11 |
| Interlocking work platform system and method Grant 10,145,128 - Woodward , et al. De | 2018-12-04 |
| Ladder, Top and Method App 20180187488 - Mora; Daniel C. ; et al. | 2018-07-05 |
| Ladder, Top and Method App 20180187489 - Parker; Thomas W. ; et al. | 2018-07-05 |
| Interlocking Work Platform System and Method App 20180171648 - Woodward; Steve ; et al. | 2018-06-21 |
| Stepladder Having a Ladder Top with Conduit Holder Slot and Method App 20160369562 - Tiber; Robert C. ; et al. | 2016-12-22 |
| Stepladder having a ladder top with conduit holder slot and method Grant 9,435,155 - Tiber , et al. September 6, 2 | 2016-09-06 |
| Stepladder Having a Ladder Top with Conduit Holder Slot and Method App 20140332316 - Tiber; Robert C. ; et al. | 2014-11-13 |
| Ladder Leveler and Method App 20140110189 - Dangrow; Joseph C. ; et al. | 2014-04-24 |
| Method for a ladder with a ladder leveler Grant 08616336 - | 2013-12-31 |
| Method for a ladder with a ladder leveler Grant 8,616,336 - Dangrow , et al. December 31, 2 | 2013-12-31 |
| Ladder leveler and method Grant 8,261,882 - Dangrow , et al. September 11, 2 | 2012-09-11 |
| Ladder leveler and method Grant 8,256,573 - Dangrow , et al. September 4, 2 | 2012-09-04 |
| Ladder leveler stile Grant D584,422 - Dangrow , et al. January 6, 2 | 2009-01-06 |
| Dynamic hinge for ladder Grant 7,306,075 - Winslow , et al. December 11, 2 | 2007-12-11 |
| Ladder leveler and method App 20070193832 - Dangrow; Joseph C. ; et al. | 2007-08-23 |
| Ladder leveler and method App 20070163839 - Dangrow; Joseph C. ; et al. | 2007-07-19 |
| Locking hinge for folding ladder Grant 7,234,203 - Latimer , et al. June 26, 2 | 2007-06-26 |
| Dynamic hinge for ladder App 20050178617 - Winslow, David A. ; et al. | 2005-08-18 |
| Locking hinge for folding ladder App 20050028320 - Latimer, Brett A. ; et al. | 2005-02-10 |
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