JD

Joseph C. Dangrow

WE Werner: 24 patents #3 of 140Top 3%
Overall (All Time): #159,724 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12398597 Ladder and ladder top Thomas W. Parker, Daniel C. Mora, Robert D. Beggs, Tek Lentine, Adam C. Field +1 more 2025-08-26
12392197 Ladder, top and method Daniel C. Mora, Robert D. Beggs, Tek Lentine, Adam C. Field, Brent Sedlacek 2025-08-19
11933106 Ladder, foot and method Robert D. Beggs, Thomas W. Parker, Steven R. Dings 2024-03-19
11536087 Stepladder having a ladder top with conduit holder slot and method Robert C. Tiber, Tracee Leonardson 2022-12-27
11473318 Interlocking work platform system and method Steve Woodward, Michael A. Somerfield 2022-10-18
D935053 Ladder Tek Lentine, Daniel C. Mora, Robert D. Beggs, Adam C. Fields, Brent Sedlacek +1 more 2021-11-02
D905869 Ladder top Tek Lentine, Daniel C. Mora, Robert D. Beggs, Adam C. Fields, Brent Sedlacek +1 more 2020-12-22
10801263 Ladder with top for holding an impact driver and method Troy Johnson, Derek Bibler, Christopher Ruppen 2020-10-13
10760337 Ladder leveler and method James J. Grebinoski, David A. Winslow 2020-09-01
D887581 Ladder top Troy Johnson, Derek Bibler, Christopher Ruppen 2020-06-16
10612305 Ladder, Top and Method Daniel C. Mora, Robert D. Beggs, Tek Lentine, Adam C. Fields, Brent Sedlacek 2020-04-07
10590703 Ladder, top and method Thomas W. Parker, Daniel C. Mora, Robert D. Beggs, Tek Lentine, Adam C. Field +1 more 2020-03-17
10494824 Interlocking work platform system and method Steve Woodward, Michael A. Somerfield 2019-12-03
10458183 Stepladder having a ladder top with conduit holder slot and method Robert C. Tiber, Tracee Leonardson 2019-10-29
D835807 Ladder top Tek Lentine, Daniel C. Mora, Robert D. Beggs, Adam C. Fields, Brent Sedlacek 2018-12-11
10145128 Interlocking work platform system and method Steve Woodward, Michael A. Somerfield 2018-12-04
9435155 Stepladder having a ladder top with conduit holder slot and method Robert C. Tiber, Tracee Leonardson 2016-09-06
8616336 Method for a ladder with a ladder leveler James J. Grebinoski, David A. Winslow 2013-12-31
8261882 Ladder leveler and method James J. Grebinoski, David A. Winslow 2012-09-11
8256573 Ladder leveler and method James J. Grebinoski, David A. Winslow 2012-09-04
8016077 Clip for transportation of ladders and method Kyle G. Astor, Shannon Brightbill, Brian Fisher 2011-09-13
7743887 Clip for transportation of ladders and method Kyle G. Astor, Shannon Brightbill, Brian Fisher 2010-06-29
D584422 Ladder leveler stile James J. Grebinoski, Sergio DeOliveira 2009-01-06
7306075 Dynamic hinge for ladder David A. Winslow 2007-12-11
7234203 Locking hinge for folding ladder Brett Latimer, Ronald K. Burig, Christine A. Brown, David E. Plotner, John Fiumefreddo +1 more 2007-06-26