DL

Derek Lewan

RH Rite-Hite Holding: 5 patents #74 of 246Top 35%
Overall (All Time): #914,962 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12359493 Methods and apparatus to monitor and/or adjust operations of doors Ryan P. Beggs, Quinn Mast, James Pelegrin, Michael Sivill 2025-07-15
11952825 Methods and apparatus to monitor and/or adjust operations of doors Ryan P. Beggs, Quinn Mast, James Pelegrin, Michael Sivill 2024-04-09
11085230 Insulated doors with restorable breakaway sections Dean Shanahan, Jon Schumacher, Nicholas J. Casey, Perry W. Knutson, Rodney Kern +3 more 2021-08-10
10494858 Insulated doors with restorable breakaway sections Dean Shanahan, Jon Schumacher, Nicholas J. Casey, Perry W. Knutson, Rodney Kern +3 more 2019-12-03
9771754 Flexible seals for insulated doors Nicholas J. Casey, Rodney Kern, William W. Hoerner 2017-09-26