Growing community of inventors

Pickens, SC, United States of America

John L Duncan

Average Co-Inventor Count = 1.60

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 = 56

John L DuncanStephen R Burns (1 patent)John L DuncanMartin E Harbeck (1 patent)John L DuncanJohn E Jones (1 patent)John L DuncanJohn L Duncan (2 patents)Stephen R BurnsStephen R Burns (14 patents)Martin E HarbeckMartin E Harbeck (5 patents)John E JonesJohn E Jones (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Singer Company (2 from 1,246 patents)


2 patents:

1. 4660246 - Versatile vacuum cleaning appliance

2. 3968712 - Fabricated table for stationary power tools

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/15/2025
Loading…