Growing community of inventors

Barberton, OH, United States of America

Douglas S Hardesty

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 72

Douglas S HardestyRandall W Calmeise (2 patents)Douglas S HardestyAlex P Digiacomo, Jr (1 patent)Douglas S HardestyDouglas S Hardesty (3 patents)Randall W CalmeiseRandall W Calmeise (6 patents)Alex P Digiacomo, JrAlex P Digiacomo, Jr (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Akro-Mils, a Division of Myers Industries, Inc. (2 from 9 patents)

2. Akro-Mils, a Division of Myers Industries Company (1 from 1 patent)


3 patents:

1. 6827357 - Janitorial cart

2. D481188 - Office cleaning cart

3. D469235 - Janitorial cart

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1/21/2026
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