Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7340783 | Compressed air drain opening device | J. Leaphart, Carlos R. Schoolcraft, Michael Ernst | 2008-03-11 |
| 7328793 | Plunger storage unit | J. Leaphart, William L. Noack, Eugene Schneider | 2008-02-12 |
| D535073 | Plunger bell | J. Leaphart | 2007-01-09 |
| 6862753 | Compressed air drain opening device | J. Leaphart | 2005-03-08 |
| 6789276 | Compressed air drain opening device | J. Leaphart | 2004-09-14 |
| 6484326 | Compressed air drain opening device | J. Leaphart | 2002-11-26 |
| 4714353 | Laundering bag for paired items | — | 1987-12-22 |