Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7410148 | Commercial lifting device-power unit | — | 2008-08-12 |
| 7011296 | Lift arm assembly for use with a power unit and lift bridge | — | 2006-03-14 |
| 6986503 | Power unit for use with a jack stand that is convertible into a load-lifting jack | — | 2006-01-17 |
| 6779780 | Lift bridge for use with a power unit and a load-lifting jack | — | 2004-08-24 |
| 6691983 | Economical lifting device-jack stand | — | 2004-02-17 |
| 6663081 | Safety mechanism for use with a power unit and a hydraulic jack | — | 2003-12-16 |
| 6648299 | Leveling pads for use with a power unit and jack stands | — | 2003-11-18 |
| 6601827 | Economical lifting device-trunk jack | — | 2003-08-05 |
| 6565068 | Economical lifting device-power unit for use with a jack stand and lift bridge | — | 2003-05-20 |
| 5379974 | Alignment and locking mechanism for extendible jack stand | Clyde E. Slay | 1995-01-10 |
| 5183235 | Apparatus for aligning and releasing a two-part jack system | Clyde E. Slay | 1993-02-02 |
| 4960264 | Alignment and release mechanism for two-part jack system | Clyde E. Slay | 1990-10-02 |
| RE32715 | Apparatus for jacking up and supporting a structure | — | 1988-07-19 |
| 4697788 | Means for automatically releasing a jack system | — | 1987-10-06 |
| 4641813 | Dual automobile jack for consumer use | — | 1987-02-10 |
| 4589630 | Dual automobile jack for consumer use | — | 1986-05-20 |
| 4564172 | Method of using a hydraulic power unit to control a mechanical jack | — | 1986-01-14 |
| 4558846 | Mobile power unit for a jacking system | — | 1985-12-17 |
| 4553727 | Extendible jack stand adapted for remote control | — | 1985-11-19 |
| 4462569 | Apparatus for jacking up and supporting a structure | — | 1984-07-31 |