Growing community of inventors

Bellbrook, OH, United States of America

Larry D Holden

Average Co-Inventor Count = 3.00

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 = 23

Larry D HoldenDavid R Seitz (2 patents)Larry D HoldenTony D Beckett (2 patents)Larry D HoldenLarry D Holden (2 patents)David R SeitzDavid R Seitz (33 patents)Tony D BeckettTony D Beckett (11 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ohio Electronic Engravers, Inc. (2 from 51 patents)


2 patents:

1. 5894354 - Method and apparatus for engraving patterns with and without image

2. 5663802 - Method and apparatus for engraving using multiple engraving heads

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as of
12/8/2025
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