Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772997 | Self-propelled crawler for lifting, servicing, and moving automobiles | James E. Keaton, Donald R. Haulsee | 2004-08-10 |
| 6612152 | Lifting, servicing, and diagnosing automobiles | James E. Keaton, Donald R. Haulsee | 2003-09-02 |
| 5715911 | Laminar flow lubrication | Donald R. Haulsee | 1998-02-10 |
| 5632171 | Ironing press laminar flow lubrication ring | Donald R. Haulsee | 1997-05-27 |