Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925954 | Hitch apparatus for vehicles | Gregory S. Hopper, David Dekarske | 2015-01-06 |
| 8905425 | Hitch apparatus for vehicles | Gregory S. Hopper, Kamyar Kheradpir | 2014-12-09 |
| 8905424 | Articulating hitch apparatus for vehicles | William David Woolf | 2014-12-09 |
| 8789842 | Weight distribution hitch apparatus | Gregory S. Hopper, David Dekarske | 2014-07-29 |
| 8733780 | Quick release telescoping and swiveling hitch assembly | — | 2014-05-27 |
| 8678421 | Articulating hitch apparatus for vehicles | William David Woolf | 2014-03-25 |
| 8302987 | Adjustable towing apparatus for vehicles | Gregory S. Hopper, David Dekarske | 2012-11-06 |
| 8276931 | Dual tow ball coupling apparatus | David Dekarske | 2012-10-02 |
| 7976052 | Lock and positioning assembly for the tongue of a steerable trailer | — | 2011-07-12 |
| 7850193 | Quick release hitch assembly | — | 2010-12-14 |
| 7669878 | Quick release hitch assembly | — | 2010-03-02 |
| 7614636 | Lock assembly for the tongue of a steerable trailer | — | 2009-11-10 |
| 7584984 | Telescoping and swiveling hitch assembly | — | 2009-09-08 |
| 7552938 | Quick release telescoping and swiveling hitch assembly | — | 2009-06-30 |
| 7293791 | Telescoping and swiveling hitch assembly | — | 2007-11-13 |
| 7195268 | Pivoting hitch mount assembly | — | 2007-03-27 |
| 6896283 | Aircraft tug hitch assembly | — | 2005-05-24 |
| 6848702 | Snatch bar for release handle on jack stands | — | 2005-02-01 |
| 5690348 | Heavy duty sliding jack post stand for trailers | — | 1997-11-25 |
| 5675146 | Naturally occurring radioactive material contamination detection means | Irwin R. Supernaw | 1997-10-07 |
| 5609506 | Outboard boat motor transport stabilizer | — | 1997-03-11 |
| 5340143 | Slidable support for heavily loaded trailer jack post | — | 1994-08-23 |
| 5195769 | Sliding jack support | — | 1993-03-23 |
| 5191210 | Produced steam survey device and method | James Craig Pauley, Irwin R. Supernaw | 1993-03-02 |
| 5065016 | Radioactive well logging to determine vertical brine flow | Irwin R. Supernaw | 1991-11-12 |