Walter E. Surko Jr.

Person

Southington, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Exit device having press bar-operated elongated securing member
- Patent number 6,779,819
- Issue date Aug 24, 2004
- Yale Security Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Exit device having a deadbolt as its securing member
- Patent number 5,605,362
- Issue date Feb 25, 1997
- Yale Security Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Access control assembly
- Patent number 5,490,697
- Issue date Feb 13, 1996
- International Security Products, Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Cylindrical lockset having quick mount means accommodating various...
- Patent number 4,976,480
- Issue date Dec 11, 1990
- Yale Security Inc.
- David Dixon
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door lock having disengages outer lever handle when in the locked c...
- Patent number 4,920,773
- Issue date May 1, 1990
- Yale Security Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door closer piston assembly having separate head portions
- Patent number 4,665,583
- Issue date May 19, 1987
- Emhart Industries, Inc.
- Georgy Frolov
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lock cylinder having two sets of tumblers and key therefor
- Patent number 4,638,651
- Issue date Jan 27, 1987
- Yale Security Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door closer assembly
- Patent number 4,419,786
- Issue date Dec 13, 1983
- Emhart Industries, Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Retrofit lock
- Patent number 4,236,396
- Issue date Dec 2, 1980
- Emhart Industries, Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Cam lock
- Patent number 4,208,894
- Issue date Jun 24, 1980
- Emhart Industries, Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Pin tumbler lock
- Patent number 4,103,526
- Issue date Aug 1, 1978
- Emhart Industries, Inc.
- Walter E. Surko
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electromechanical door holder-closer
- Patent number 3,935,614
- Issue date Feb 3, 1976
- Emhart Corporation
- Robert John Pannone
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Walter E. Surko Jr.

Person

Patents Grantslast 30 patents

Exit device having press bar-operated elongated securing member

Exit device having a deadbolt as its securing member

Access control assembly

Cylindrical lockset having quick mount means accommodating various...

Door lock having disengages outer lever handle when in the locked c...

Door closer piston assembly having separate head portions

Lock cylinder having two sets of tumblers and key therefor

Door closer assembly

Retrofit lock

Cam lock

Pin tumbler lock

Electromechanical door holder-closer