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Powered sash lock and control systems therefor |
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2022-01-11 |
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Constant force window balance shoes for a pivotable window |
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2021-07-27 |
| 10533359 |
Method of assembling a window balance system |
Stuart J. Uken, Lawrence J. VerSteeg |
2020-01-14 |
| 10344514 |
Snap lock balance shoe and system for a pivotable window |
Stuart J. Uken, Lawrence J. VerSteeg |
2019-07-09 |
| 10253543 |
Drum drive system for sliding window sash |
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2019-04-09 |
| 9580950 |
Locking balance shoe and system for a pivotable window |
Stuart J. Uken, Lawrence J. VerSteeg |
2017-02-28 |
| 9133656 |
Inverted constant force window balance for tilt sash |
Travis Steen, Chad Swier, Dan Raap, Bruce Hagemeyer |
2015-09-15 |
| 8424248 |
Method of installing a locking balance shoe and system for a pivotable window |
Stuart J. Uken, Lawrence J. VerSteeg |
2013-04-23 |
| 8042227 |
Block and tackle window balance with bottom guide roller |
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2011-10-25 |
| 7669284 |
Block and tackle window balance with bottom guide roller |
— |
2010-03-02 |
| 7353567 |
Block and tackle window balance with bottom guide roller |
— |
2008-04-08 |
| 7210267 |
Non-takeout lock for a pivot pin of tilt-type windows |
Lawrence J. VerSteeg |
2007-05-01 |
| 7191562 |
Locking balance shoe and system for a pivotable window |
Stuart J. Uken, Lawrence J. VerSteeg |
2007-03-20 |
| 7155778 |
Block and tackle window balance with bottom guide roller |
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2007-01-02 |
| 7028371 |
Safety brake for block and tackle window balance |
Lawrence J. VerSteeg |
2006-04-18 |
| 6931788 |
Locking balance shoe and system for a pivotable window |
Stuart J. Uken, Lawrence J. VerSteeg |
2005-08-23 |
| 6877187 |
Block and tackle window balance with bottom guide roller |
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2005-04-12 |
| 6820368 |
Snap lock balance shoe and system for a pivotable window |
Stuart J. Uken, Lawrence J. VerSteeg |
2004-11-23 |
| 6745433 |
Side load balance cord terminal clip |
Lawrence J. VerSteeg, Stuart J. Uken |
2004-06-08 |
| 6679000 |
Snap lock balance shoe and system for a pivotable window |
Stuart J. Uken, Lawrence J. VerSteeg |
2004-01-20 |
| 6598264 |
Block and tackle window balance with bottom guide roller |
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2003-07-29 |
| D467490 |
T-lock for a pivotable window |
Stuart J. Uken, Lawrence J. VerSteeg |
2002-12-24 |
| 5873199 |
Locking device for full tilt windows |
Scott Meunier, Richard Skallerud, Lawrence J. VerSteeg |
1999-02-23 |
| 5737877 |
Block and tackle balance with integral, non-rotating pulley system |
Scott Meunier, Rick Skallerud, Larry Versteeg |
1998-04-14 |
| 5339583 |
Window sash and method of constructing same |
Fred L. Hrdlicka, Mearl J. Minter |
1994-08-23 |