Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9494297 | Solar-powered LED module and lighting fixtures | Judy Nagengast, Steven Francis Tregilgas, Jerry D. Heiniger | 2016-11-15 |
| 9206964 | Convertible lighting fixture for multiple light sources | Joe R. Marsh, David Packard, James S. Mellinger, Judy Nagengast | 2015-12-08 |
| 8950907 | Convertible lighting fixture for multiple light sources | David Packard, James S. Mellinger, Judy Nagengast | 2015-02-10 |
| D698991 | Lighting fixture lens | Steven Francis Tregilgas | 2014-02-04 |
| 5539625 | Vehicle headlamp aiming device | Richard Turley, Michael E. O'Shaughnessey, Steven V. Horsman | 1996-07-23 |
| 5424923 | Quick release vehicle headlamp arrangement | Paul E. Young, Randall J. Smith, Brian E. Witte | 1995-06-13 |
| 5402325 | Vehicle headlamp assembly | Jan A. Wisler, Chad E. Spencer, David R. McMahan | 1995-03-28 |
| 5360282 | Vehicle headlamp adjuster ball and socket assembly | Leslie H. Hallgarth, Brian E. Witte, Paul E. Young | 1994-11-01 |
| 5351170 | Vehicle headlamp assembly | David R. McMahan, Jan A. Wisler, Luis A. Mateos, Michael W. Ballentine | 1994-09-27 |
| 5253154 | Headlamp leveling arrangement | David R. McMahan, Terry L. Coombs, Bradley A. Merrill, Ronald A. Wheat, Jan A. Wisler | 1993-10-12 |
| 5251111 | Composite headlamp vent device | David R. Mc Mahan | 1993-10-05 |
| 5151849 | Headlamp leveling arrangement | Philip C. Filosa | 1992-09-29 |
| 5113331 | Vehicle headlamp assembly | — | 1992-05-12 |
| 5095410 | Retainer arrangement for a replaceable lamp bulb assembly | David R. McMahan, Philip C. Filosa, Harry L. Kirchenbauer | 1992-03-10 |
| 5010455 | Headlamp assembly | John M. Luallin, Robert G. Roeske | 1991-04-23 |
| 5003446 | Composite headlamp vent device | James S. Mellinger, David R. McMahan | 1991-03-26 |
| 4991067 | Headlamp assembly | — | 1991-02-05 |
| 4974123 | Headlamp assembly | John M. Luallin | 1990-11-27 |
| 4851976 | Headlamp bulb retaining arrangement | David R. McMahan, John D. Geddie | 1989-07-25 |
| 4833572 | Headlamp ventilation system | John M. Luallin | 1989-05-23 |
| 4761717 | Headlamp pivot assembly | David R. McMahan, Harry S. Murphy | 1988-08-02 |
| 4707771 | Support shoe for a vehicle headlamp assembly | Paul D. Van Duyn, David R. McMahan, John D. Geddie | 1987-11-17 |