MK

Michael W. Kondratuk

LD Larson Manufacturing Company Of South Dakota: 21 patents #1 of 36Top 3%
HS Hardware Specialties: 7 patents #1 of 2Top 50%
LM Larson Manufacturing: 2 patents #5 of 21Top 25%
TH Truth Hardware: 2 patents #38 of 73Top 55%
WP Wright Products: 2 patents #1 of 6Top 20%
📍 Brookings, SD: #2 of 175 inventorsTop 2%
🗺 South Dakota: #15 of 2,308 inventorsTop 1%
Overall (All Time): #100,493 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
12326015 Deadbolt assembly for simultaneously securing co-mounted doors together and actuating at least one deadbolt Alan M. Dixon, Kole Kramer, Sara Wermers, Todd M. Stratmoen, Luke A. Thompson +2 more 2025-06-10
12252916 Retention assembly for securing together coupled handle assemblies of co-mounted doors Kole Kramer, Jammey A. Rawden, Bryan P. Zacher 2025-03-18
12146365 Door-ready molding Adam A. Allmandinger, Alan M. Dixon, Jammey A. Rawden 2024-11-19
11952833 Building systems and methods for installing building systems relative to building openings Sara Wermers, Alan M. Dixon, Matthew Gingery, Kelly D. Nordgaard, Luke A. Thompson +3 more 2024-04-09
11905740 Deadbolt assembly for simultaneously securing co-mounted doors together and actuating at least one deadbolt Alan M. Dixon, Kole Kramer, Sara Wermers, Todd N. Stratmoen, Luke A. Thompson +2 more 2024-02-20
11891851 Door-ready molding Alan M. Dixon, Jammey A. Rawden 2024-02-06
11441349 Ready to install door system Alan M. Dixon, Lucas M. Hemmen, Kelly D. Nordgaard, Jammey A. Rawden 2022-09-13
11105134 Hydraulic door closer with fluid overflow chamber 2021-08-31
11105135 Hydraulic door closer with fluid overflow chamber 2021-08-31
11105146 Building systems and methods for installing building systems relative to building openings Sara Wermers, Alan M. Dixon, Matthew Gingery, Kelly D. Nordgaard, Luke A. Thompson +3 more 2021-08-31
11035169 Building systems and methods for installing building systems relative to building openings Sara Wermers, Alan M. Dixon, Matthew Gingery, Kelly D. Nordgaard, Luke A. Thompson +2 more 2021-06-15
11008795 Door with hidden door closer Alan M. Dixon, Allen E. Lee, Kelly D. Nordgaard, Jordan A. Richter, Todd N. Stratmoen +1 more 2021-05-18
10995534 Door with hidden door closer Alan M. Dixon, Allen E. Lee, Kelly D. Nordgaard, Jordan A. Richter, Todd N. Stratmoen +1 more 2021-05-04
10801241 Door with hidden door closer Alan M. Dixon, Allen E. Lee, Kelly D. Nordgaard, Jordan A. Richter, Todd N. Stratmoen +1 more 2020-10-13
10801242 Door with hidden door closer Alan M. Dixon, Allen E. Lee, Kelly D. Nordgaard, Jordan A. Richter, Todd N. Stratmoen +1 more 2020-10-13
10774570 Door with hidden door closer Alan M. Dixon, Allen E. Lee, Kelly D. Nordgaard, Jordan A. Richter, Todd N. Stratmoen +1 more 2020-09-15
10370885 Hydraulic door closer with fluid overflow chamber 2019-08-06
D770264 Shaped spindle of a door handle for operating a door lock box 2016-11-01
D734651 Shaped spindle of a door handle for operating a door lock box 2015-07-21
D734652 Shaped spindle of a door handle for operating a door lock box 2015-07-21
8864186 Gear latch-bolt mechanism 2014-10-21
D706112 Shaped spindle of a door handle for operating a door lock box 2014-06-03
8256251 Mortise deadbolt lock cam engagement device 2012-09-04
7871112 Reversible double deadbolt mortise latch John K. Berkseth 2011-01-18
7703815 Quick cam latch mechanism John K. Berkseth 2010-04-27