Roy N. Oliver

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Salem, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Key for an improved twisting tumbler cylinder lock
- Patent number 4,732,022
- Issue date Mar 22, 1988
- Medeco Security Locks, Inc.
- Roy N. Oliver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Symmetrical side bar lock and key therefor
- Patent number 4,723,427
- Issue date Feb 9, 1988
- Medeco Security Locks Inc.
- Roy N. Oliver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Cylinder lock
- Patent number 4,635,455
- Issue date Jan 13, 1987
- Medeco Security Locks, Inc.
- Roy N. Oliver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Guard for key cylinder
- Patent number 4,530,223
- Issue date Jul 23, 1985
- Medeco Security Locks, Inc.
- Roy N. Oliver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Removable core cylinder lock
- Patent number 4,328,690
- Issue date May 11, 1982
- Roy N. Oliver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Padlock with removable top closure
- Patent number 4,158,952
- Issue date Jun 26, 1979
- Medeco Security Locks, Inc.
- Roy N. Oliver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Padlock closure
- Patent number 4,063,435
- Issue date Dec 20, 1977
- Roy N. Oliver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES