|
| US4243197 | 25 Jun 1979 | 6 Jan 1981 | | Pad for protecting floors against water damage |
| US4243251 | 28 Sep 1979 | 6 Jan 1981 | | Floor or roof drain fitting |
| US4306738 | 4 Feb 1980 | 22 Dec 1981 | | Flanged fittings for floors or roofs |
| US4332393 | 26 Sep 1980 | 1 Jun 1982 | | Self contained seal for drains |
| US6123090 | 17 Mar 1998 | 26 Sep 2000 | | Air conditioner condensation dispersement apparatus |
| US6283144 | 21 Feb 2000 | 4 Sep 2001 | | Ceiling water leak damage collector unit |
| US7122117 | 28 Oct 2004 | 17 Oct 2006 | The United States of America as represented by the Secretary of the Navy | Self-cleaning composite deck drain |
| USD318101 | 24 Jul 1987 | 9 Jul 1991 | | Roof drain |