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 26–34 of 34 patents

Patent #TitleCo-InventorsDate
7607704 Push-pull latch bolt mechanism 2009-10-27
7354081 Single bolt mortise lock 2008-04-08
7134699 Locking rotary latch 2006-11-14
6926315 Push pull latch bolt mechanism 2005-08-09
6739162 Simple deadbolt assembly 2004-05-25
6322113 Latch apparatus Shawn B. Ayers 2001-11-27
6317922 Door closer 2001-11-20
5815984 Casement window operator Benjamin L. Sheets, Lavern L. Wintrone 1998-10-06
5620214 Sash latch 1997-04-15