Oliver; Roy N.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oliver; Roy N..The latest application filed is for "key for an improved twisting tumbler cylinder lock".
- Oliver; Roy N. - Salem VA
| Patent | Date |
|---|---|
| Key for an improved twisting tumbler cylinder lock Grant 4,732,022 - Oliver * March 22, 1 | 1988-03-22 |
| Symmetrical side bar lock and key therefor Grant 4,723,427 - Oliver February 9, 1 | 1988-02-09 |
| Removable core cylinder lock Grant RE31,910 - Oliver June 11, 1 | 1985-06-11 |
| Removable core cylinder lock Grant 4,328,690 - Oliver May 11, 1 | 1982-05-11 |
| Padlock closure Grant RE30,243 - Oliver April 1, 1 | 1980-04-01 |
| Cylinder lock Grant RE30,198 - Oliver , et al. January 29, 1 | 1980-01-29 |
| Padlock with removable top closure Grant 4,158,952 - Oliver , et al. June 26, 1 | 1979-06-26 |
| Padlock closure Grant 4,063,435 - Oliver December 20, 1 | 1977-12-20 |
| Lock Key Reproducing Tool Grant 3,807,276 - Oliver April 30, 1 | 1974-04-30 |
| Cylinder Lock Grant 3,722,240 - Spain , et al. | 1973-03-27 |
| Detachably Fixed Cylinder Lock Core Grant 3,713,311 - Oliver , et al. January 30, 1 | 1973-01-30 |
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