Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640387 | Damper assembly that opts to open doors for usage with reciprocating door closer devices | — | 2003-11-04 |
| 6397431 | Spring assembly normally inactive that opts for causing towards any position with reciprocative door closer devices | — | 2002-06-04 |
| D425776 | Checking mechanism for reciprocative devices including door closers | — | 2000-05-30 |
| D425399 | Checking mechanism with a curvature trigger appendage for door closers | — | 2000-05-23 |
| 6032331 | Checking mechanisms with variable plane trigger plates | — | 2000-03-07 |
| 5953789 | Checking mechanism for reciprocative devices | — | 1999-09-21 |
| 5829098 | Reinforcement basal attachment plate for reciprocating operative device | — | 1998-11-03 |
| D395995 | Checking mechanism for reciprocating operative devices including door closer systems | — | 1998-07-14 |