Growing community of inventors

Avon Lake, OH, United States of America

John D Langdon

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 64

John D LangdonMartin F Delmore (1 patent)John D LangdonJohn D Langdon (1 patent)Martin F DelmoreMartin F Delmore (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Erico International Corporation (1 from 205 patents)


1 patent:

1. 4757967 - Box support

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/21/2025
Loading…