Cheryl K. Koskela

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Sausalito, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ball bearing cylinder plug and key retention
- Patent number 6,591,644
- Issue date Jul 15, 2003
- Schlage Lock Company
- Alan Doerr
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Side bar plunger and solenoid cylinder locking mechanism
- Patent number 6,553,800
- Issue date Apr 29, 2003
- Schlage Lock Company
- Alan Doerr
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Multiple backset lock
- Patent number 5,765,412
- Issue date Jun 16, 1998
- Schlage Lock Company
- Cheryl K. Koskela
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Convertible knob/lever cylinder
- Publication number 20020116964
- Publication date Aug 29, 2002
- Cheryl Kay Koskela
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Ball bearing cylinder plug and key retention
- Publication number 20020095961
- Publication date Jul 25, 2002
- Alan Doerr
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Thumbturn extension assembly
- Publication number 20020095962
- Publication date Jul 25, 2002
- Alan Doerr
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Side bar plunger and solenoid cylinder locking mechanism
- Publication number 20010023602
- Publication date Sep 27, 2001
- Alan Doerr
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES