Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11776434 | Method and apparatus for avoidance of damage to concealed mechanical systems such as plumbing and the like | Randall Lee Dawson, Edward Joseph Mueller | 2023-10-03 |
| 9908002 | Portable, collapsible ergonomic tipping chair | — | 2018-03-06 |
| 7275488 | Auto rack railway car | James E. Black, Jr., Andrew B. Eaker, Mark L. Litherland, Michael J. Rench, Ralph H. Schorr | 2007-10-02 |
| 6289822 | Auto rack railway car | James E. Black, Jr., Andrew B. Eaker, Mark L. Litherland, Michael J. Rench, Ralph H. Schorr | 2001-09-18 |
| 5787816 | Auto rack side panel assembly | Peter S. Dworakowski, Ralph H. Schorr | 1998-08-04 |
| 5765486 | Auto rack railway car | James E. Black, Jr., Andrew B. Eaker, Mark L. Litherland, Michael J. Rench, Ralph H. Schorr | 1998-06-16 |
| 5673697 | High-resolution three, dimensional ultrasound imaging device | Thomas A. Bryan, Brian Holtz, Gilbert F. Perleberg, Francis P. Diani, George S. Hardie | 1997-10-07 |
| 5233932 | Shredder/compactor auger system | — | 1993-08-10 |
| 5091917 | Method and apparatus for pulse sorting | Richard L. Udd | 1992-02-25 |
| 5022328 | Shredder/compactor auger system | — | 1991-06-11 |
| 4966402 | Aerial lift support frame | — | 1990-10-30 |
| 4836726 | Vehicle wheel chock for securing vehicles during transport | William R. Baker | 1989-06-06 |
| 4759669 | Vehicle transporting railroad car with hinged deck section lock | Walter J. Marulic | 1988-07-26 |
| 4677918 | Railroad car with retractable closure track held down by bridge plate | William R. Baker, Walter J. Marulic | 1987-07-07 |
| 4437410 | Pivotal slidable vehicle end enclosure | David Stoller, Tibor Matyas | 1984-03-20 |
| 4263853 | Rail car end door positioning keeper assembly | — | 1981-04-28 |