Growing community of inventors

Tampa, FL, United States of America

David C Engebretson

Average Co-Inventor Count = 1.00

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 19

David C EngebretsonDavid C Engebretson (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Jw Window Components, Inc. (1 from 2 patents)

2. Nj Window Components Inc. (1 from 1 patent)


2 patents:

1. 5152561 - Door handle and latch assembly for a sliding door

2. 5119872 - Arcuately adjustable roller and corner key for sliding screen door

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as of
12/31/2025
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