Russell W. Waldo

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Mendota Heights, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for closing a door
- Patent number 4,709,445
- Issue date Dec 1, 1987
- Ideal Security Hardward Corporation
- Russell W. Waldo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Locking apparatus for use with a panel slideable in a plane
- Patent number 4,570,985
- Issue date Feb 18, 1986
- Ideal Security Hardward Corporation
- Russell W. Waldo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Looped rod safety stop
- Patent number 4,438,544
- Issue date Mar 27, 1984
- Ideal Security Hardware Corporation
- Russell W. Waldo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Automatically locking crossbolt deadlock
- Patent number 4,332,407
- Issue date Jun 1, 1982
- Ideal Security Hardware Corporation
- Russell W. Waldo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Automatically locking crossbolt deadlock
- Patent number 4,063,765
- Issue date Dec 20, 1977
- Ideal Security Hardware Corporation
- Russell W. Waldo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Automatically locking crossbolt deadlock
- Patent number 4,061,383
- Issue date Dec 6, 1977
- Ideal Security Hardware Corporation
- Russell W. Waldo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES