| 10625651 |
End dump trailer and modular extrusions therefor |
Gregory L. Hicks, DeWayne B. Williams |
2020-04-21 |
| 9486915 |
Pick up device with telescoping tube |
David Buzby |
2016-11-08 |
| 9004563 |
Pick up device with telescoping tube |
David Buzby |
2015-04-14 |
| 8430596 |
Crash impact attenuator systems and methods |
Jack H. Kulp |
2013-04-30 |
| 8033749 |
Crash impact attenuator systems and methods |
Jack H. Kulp |
2011-10-11 |
| 7794174 |
Crash impact attenuator systems and methods |
Jack H. Kulp |
2010-09-14 |
| 6047941 |
Flag holder |
Jack H. Kulp |
2000-04-11 |
| 6045110 |
Flag holder |
Jack H. Kulp |
2000-04-04 |
| 6003827 |
Universal sign holder |
Jack H. Kulp, Samuel J. Bechtle |
1999-12-21 |
| 5836558 |
Adjustable sign mounting brackets |
Jack H. Kulp |
1998-11-17 |
| 5624092 |
Adjustable sign mounting brackets |
Jack H. Kulp |
1997-04-29 |
| 5611509 |
Quick release mechanism for a display stand |
Jack H. Kulp |
1997-03-18 |
| 5540007 |
Highway signs capable of being rolled up |
Jack H. Kulp |
1996-07-30 |
| 5446984 |
Highway signs capable of being rolled up and improved mounting brackets for the signs |
Jack H. Kulp, James P. Sullivan |
1995-09-05 |
| 5201599 |
Stabilized barrel-like traffic control element |
Jack H. Kulp, James P. Sullivan |
1993-04-13 |
| 5026204 |
Traffic control element and method of erecting and stabilizing same |
Jack H. Kulp, James P. Sullivan |
1991-06-25 |
| 4980984 |
Highway signs and flags capable of being rolled up |
Jack H. Kulp |
1991-01-01 |
| 4593265 |
Portable traffic control apparatus |
— |
1986-06-03 |
| 4557788 |
Filament winding of plastic articles |
William R. Dana, Ralph Friedrich |
1985-12-10 |
| 4543905 |
Portable traffic signalling apparatus and methods therefor |
— |
1985-10-01 |
| 4384913 |
Mandrel for filament winding of plastic articles |
William R. Dana, Ralph Friedrich |
1983-05-24 |
| 4378614 |
Automatic-release hook for sailboard harness |
— |
1983-04-05 |
| 4366605 |
Anti-theft cable device for car top carriers |
— |
1983-01-04 |
| 4323408 |
Filament winding of plastic articles |
William R. Dana, Ralph Friedrich |
1982-04-06 |