Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7246782 | Apparatus and method for a temporary spread footing | Joe P. Crookham, David M. Crookham, Thomas A. Stone, Gregory N. Kubbe, Walter R. Tippett | 2007-07-24 |
| 6692142 | Apparatus, method, and system of a moveable lighting | Myron Gordin, Greg Kubbe, Thomas A. Stone, James F. Marshall | 2004-02-17 |
| 6464196 | Apparatus and method for a temporary spread footing | Joe P. Crookham, David M. Crookham, Thomas A. Stone, Gregory N. Kubbe, Walter R. Tippett | 2002-10-15 |
| 5944413 | Apparatus and method for moveable lighting | David M. Crookham | 1999-08-31 |
| 5207747 | Mobile lighting system | Myron Gordin, Robert D. Jones, George P. Glass, David M. Crookham, Bradley M. Chelesvig | 1993-05-04 |