Growing community of inventors

Los Angeles, CA, United States of America

David Halopoff

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 = 50

David HalopoffDavid Halopoff (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,761 patents)

2. Holmes-hally Industries (1 from 6 patents)


2 patents:

1. 4437692 - Protective hasp for padlock

2. 4238941 - Security shield for padlock

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as of
12/16/2025
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