RR

Robert L. Rensink

DC Denver Mattress Co.: 7 patents #1 of 8Top 15%
📍 Arvada, CO: #152 of 1,140 inventorsTop 15%
🗺 Colorado: #5,842 of 40,980 inventorsTop 15%
Overall (All Time): #652,271 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8448315 High comfort mattresses having fiberballs 2013-05-28
7617556 Mattress systems and methods of making 2009-11-17
7617788 High comfort mattresses having fiberballs 2009-11-17
7284494 High comfort mattresses having fiberballs 2007-10-23
6952850 No-flip mattress systems and methods Barney D. Visser 2005-10-11
6895620 High comfort mattresses and methods for constructing them 2005-05-24
6643876 No-flip mattress and methods for their construction Barney D. Visser 2003-11-11
5259079 Double bed arrangement with combination mattress Barney D. Visser 1993-11-09