| 11359668 |
Roller configured to support a rotary milking platform |
— |
2022-06-14 |
| 8887444 |
Door assembly and method of making same (stainless steel sliding door) |
Arno Klien, David Slomski |
2014-11-18 |
| 8839563 |
Door assembly and method of making same (stainless steel sliding door) |
Arno Klein, David Slomski |
2014-09-23 |
| 8316915 |
High speed door assembly |
Brian Norbert Drifka, Arno Klein, John Sonn, Donald P. Grasso, Daniel Gregoriou |
2012-11-27 |
| 6910301 |
Seal for a bi-parting door |
Brian Norbert Drifka |
2005-06-28 |
| 6390171 |
Roll-up overhead door for sanitary applications |
Brian Norbert Drifka |
2002-05-21 |
| 6247517 |
Roll-up overhead door for sanitary applications |
Brian Norbert Drifka |
2001-06-19 |
| 6226995 |
Frost control system for a door |
Brian Norbert Drifka |
2001-05-08 |
| 6152208 |
Flexible door with actuatable sealing mechanism |
Christopher Genthe |
2000-11-28 |
| 6123139 |
Overhead rigid-panel door |
Joe Delgado |
2000-09-26 |
| 5620039 |
Apparatus for providing a slidingly-separable connection between a movable barrier and a means for guiding the barrier |
Joe Delgado |
1997-04-15 |
| 4964777 |
Truck restraining device |
Joseph P. H. Kleynjans |
1990-10-23 |
| 4823421 |
Hydraulic lip actuator for dock leveler |
Joseph P. H. Kleynjans, Dominic J. Pealer |
1989-04-25 |