Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8931763 | Modular diffuser body and aeration system | Charles E. Tharp, Randall C. Chann | 2015-01-13 |
| 8214931 | Toilet seat hinge and method of manufacture | Peter F. Bemis, Joseph M. Hand, Gary Vande Berg | 2012-07-10 |
| D621684 | Toilet seat hinge post | Brian LeMahieu, Joseph M. Hand | 2010-08-17 |
| D481924 | Toilet seat hinge | — | 2003-11-11 |
| D460163 | Toilet seat cover | Daniel J. DeLay | 2002-07-09 |
| D453211 | Toilet seat cover | Daniel J. DeLay | 2002-01-29 |
| D448459 | Toilet seat and cover combination | Timothy J. Otte | 2001-09-25 |
| D447794 | Toilet seat cover | Daniel J. DeLay | 2001-09-11 |
| D437921 | Toilet seat and cover combination | Daniel J. DeLay | 2001-02-20 |
| D434839 | Toilet seat and cover combination | Daniel J. DeLay | 2000-12-05 |
| D432220 | Bidet seat cover combination | Daniel J. DeLay | 2000-10-17 |
| D428126 | Toilet seat and cover combination | Timothy J. Otte | 2000-07-11 |
| 6070295 | Quick release toilet seat hinge with swivel | — | 2000-06-06 |
| 5933875 | Lift-off toilet seat hinge | Joseph M. Hand | 1999-08-10 |
| D394311 | Portable air purifier | John Seaman, Daniel J. DeLay | 1998-05-12 |
| D392731 | Portable air purifier | Barry Anderson, Daniel J. DeLay | 1998-03-24 |
| D385507 | Planter | — | 1997-10-28 |
| D382512 | Planter | — | 1997-08-19 |
| D370252 | Toilet seat hinge | — | 1996-05-28 |
| D348046 | Battery adapter to provide proper fix into battery tray | — | 1994-06-21 |
| 5284720 | Vent cap with electrolyte drain and explosion attenuation capabilities | David A. Thuerk, Debra L. Smith, Thomas J. Dougherty | 1994-02-08 |
| D310821 | Battery container | Edward N. Mrotek, Douglas C. Brown | 1990-09-25 |
| 4916034 | Battery vent strip | Edward N. Mrotek, Paul J. Buckethal, Lanny D. Lower, Gerald A. Cummins | 1990-04-10 |