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Lawrence County, PA, United States of America

Donald H Haydo

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 = 7

Donald H HaydoRobert J Rau (1 patent)Donald H HaydoWilliam H Berg (1 patent)Donald H HaydoDonald H Haydo (2 patents)Robert J RauRobert J Rau (2 patents)William H BergWilliam H Berg (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Italimpianti of America, Inc. (2 from 15 patents)


2 patents:

1. 4967579 - Adjustable guide for rotating cylindrical member

2. 4926668 - Automatic die box positioning for drawblock

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idiyas.com
as of
12/19/2025
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