Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575115 | Window with a frame of extruded profile members | Claes Lindgren, Stig F. Vigenberg | 1996-11-19 |
| 5394649 | Window with a frame of extruded profile members | Claes Lindgren, Stig F. Vigenberg | 1995-03-07 |
| 5335461 | Balcony window with side railing for installation in an inclined roof | Claes Lindgren, Brent Moller, Stig F. Vigenberg | 1994-08-09 |
| 5181340 | Window with a main frame for installation in an inclined roof and two openable window frames | Claes Lindgren, Brent Moller, Stig F. Vigenberg | 1993-01-26 |