| Number | Date | Country | Kind |
|---|---|---|---|
| 879745101 | Mar 2015 | WO | international |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3420012 | Custer | Jan 1969 | A |
| 3696578 | Swensen | Oct 1972 | A |
| 4279966 | Wakana | Jul 1981 | A |
| 5082712 | Starp | Jan 1992 | A |
| 5707582 | Wischemann | Jan 1998 | A |
| 6539681 | Siegmund | Apr 2003 | B1 |
| 7250570 | Morand | Jul 2007 | B1 |
| 7834447 | Karavakis | Nov 2010 | B2 |
| D702370 | Kim | Apr 2014 | S |
| D706459 | Schluter | Jun 2014 | S |
| 9188348 | Larson | Nov 2015 | B2 |
| 9328520 | Kriser | May 2016 | B1 |
| 9428920 | Schluter | Aug 2016 | B2 |
| 20090026192 | Fuhrman | Jan 2009 | A1 |
| 20110284647 | Montanari | Nov 2011 | A1 |
| 20160047131 | Larson | Feb 2016 | A1 |
| 20160061355 | Sherman | Mar 2016 | A1 |
| 20160273232 | Bordin | Sep 2016 | A1 |
| 20170073980 | Szonok | Mar 2017 | A1 |
| Entry |
|---|
| Selling In-Floor Radiant Heating (on-line), dated Jul. 15, 2016. Retrieved from Internet Mar. 23, 2017, URL: http://www.floortrendsmag.com/articles/100146-selling-in-floor-radiant-heating (2 pages). |
| How to Choose Underlayment (on-line), dated Dec. 16, 2016. Retrieved from Internet Mar. 23, 2017, URL: https://www.warmlyyours.com/en-US/posts/How-to-Choose-Underlayment-2735 (2 pages). |