David C. Engebretson

Follow

Person

Tampa, FL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Door handle and latch assembly for a sliding door
- Patent number 5,152,561
- Issue date Oct 6, 1992
- NJ Window Components Inc.
- David C. Engebretson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Arcuately adjustable roller and corner key for sliding screen door
- Patent number 5,119,872
- Issue date Jun 9, 1992
- JW Window Components, Inc.
- David C. Engebretson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES