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Sheet piling and installation method |
Steven E. Hargrave |
2019-07-16 |
| 9593456 |
Sheet piling and installation method |
Steven E. Hargrave |
2017-03-14 |
| 9528241 |
Barrier panel interlock sealing system and method |
Steve HARGRAVE, Charles B. Brown, Anthony Parise |
2016-12-27 |
| 8753043 |
Active gripping sheet piling installation system and method |
Steven E. Hargrave |
2014-06-17 |
| 8419317 |
System and method for installing sheet piles |
Steven E. Hargrave, Charles B. Brown |
2013-04-16 |
| 7393482 |
Process for applying sleeve to pole and sleeved pole |
— |
2008-07-01 |
| 7059807 |
Elongated structural members for use in forming barrier walls |
— |
2006-06-13 |
| 7056066 |
Apparatus and method for inserting sheet piles into a soil formation |
— |
2006-06-06 |
| 7025539 |
Sheet pile for forming barrier walls |
— |
2006-04-11 |
| 6053666 |
Containment barrier panel and method of forming a containment barrier wall |
John J. Yeosock |
2000-04-25 |
| 6033155 |
Reinforced structure panel for forming barrier walls |
John J. Yeosock |
2000-03-07 |
| D420154 |
Reinforced structural panel for forming barrier walls |
John J. Yeosock |
2000-02-01 |
| 6000883 |
Sheet piling extrusion |
John J. Yeosock |
1999-12-14 |
| 5881508 |
Decking extrusion |
John J. Yeosock, Steve HARGRAVE |
1999-03-16 |
| 5145287 |
Plastic panel erosion barrier |
Jefferson E. Hooper |
1992-09-08 |