Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174667 | Laminated glass retention system | David Weiss, Clifford W. MacDonald, Loren M. Jacot, Joseph Guy Reithmeyer, Duane Fier +1 more | 2021-11-16 |
| 10329831 | Laminated glass retention system | David Weiss, Clifford W. MacDonald, Loren M. Jacot, Joseph Guy Reithmeyer, Duane Fier +1 more | 2019-06-25 |
| 10081978 | Laminated glass retention system | David Weiss, Clifford W. MacDonald, Loren M. Jacot, Joseph Guy Reithmeyer, Duane Fier +1 more | 2018-09-25 |
| 9163449 | Laminated glass retention system | David Weiss, Clifford W. MacDonald, Loren M. Jacot, Joseph Guy Reithmeyer, Duane Fier +1 more | 2015-10-20 |
| 7293391 | Unitary insulated glass unit with vapor barrier | Steven M. Johnson, Neil Ranger Fredrick | 2007-11-13 |
| 6889480 | Unitary insulated glass unit and method of manufacture | Steven M. Johnson, Neil Ranger Fredrick | 2005-05-10 |
| 6463706 | Unitary insulated glass unit and method of manufacture | Steven M. Johnson, Neil Ranger Fredrick | 2002-10-15 |
| 6263623 | Method and apparatus for using a detent arrangement on a roof window frame and sash | David Weiss | 2001-07-24 |
| 6260251 | Unitary profile for window construction | — | 2001-07-17 |
| 6059385 | Computer module for a desk | — | 2000-05-09 |
| 6055783 | Unitary insulated glass unit and method of manufacture | Steven M. Johnson | 2000-05-02 |
| 5355644 | Roof window-venting and stationary | Jurgens R. Martens | 1994-10-18 |
| D343691 | Combined crank handle hub and window sill | Hartmut Ginnow-Merkert, David Weiss | 1994-01-25 |
| 5205074 | Counterbalanced window operators | Jurgen R. Martens, Hartmut Ginnow-Merkert, Harald Tomanek | 1993-04-27 |
| 5199234 | Skylight assembly | — | 1993-04-06 |
| D333353 | Skylight sash member | David Weiss | 1993-02-16 |
| D331531 | Crank handle | Hartmut Ginnow-Merkert, David Weiss | 1992-12-08 |
| 5097629 | Counterbalanced window operators | Hartmut Ginnow-Merkert | 1992-03-24 |