Fann; Yaw-Shin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fann; Yaw-Shin.The latest application filed is for "door lock having a deadbolt assembly with a low-cost corrosion-resistant bolt member".
- Fann; Yaw-Shin - Chia-Yi TW
- Fann; Yaw-Shin - Chiayi TW
- Fann; Yaw-Shin - Chiayi City TW
- Fann; Yaw-Shin - Chia-Y TW
| Patent | Date |
|---|---|
| Door lock having a deadbolt assembly with a low-cost corrosion-resistant bolt member Grant 5,551,264 - Fann , et al. September 3, 1 | 1996-09-03 |
| Face plate adapted to be inserted into a bore of a door Grant 5,474,346 - Fann , et al. December 12, 1 | 1995-12-12 |
| Cylinder lock with removable and replaceable key plug Grant 5,431,034 - Fann , et al. July 11, 1 | 1995-07-11 |
| Lock set with improved spindle mechanism Grant 5,301,526 - Fann , et al. April 12, 1 | 1994-04-12 |
| Cylinder lock Grant 5,222,383 - Fann , et al. June 29, 1 | 1993-06-29 |
| Latch bolt operating device with lever handles and improved privacy lock mechanism Grant 5,083,823 - Fann , et al. January 28, 1 | 1992-01-28 |
| Duplex latch-bolt mechanism Grant 5,074,605 - Fann , et al. December 24, 1 | 1991-12-24 |
| Lock handle assembly with limited angular movement Grant 5,067,758 - Fann , et al. November 26, 1 | 1991-11-26 |
| Dead bolt assembly Grant 4,768,817 - Fann , et al. September 6, 1 | 1988-09-06 |
| Duplex latch bolt mechanism Grant 4,711,477 - Fann , et al. December 8, 1 | 1987-12-08 |
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