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Estherville, IA, United States of America

Charles E Packard

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 = 12

Charles E PackardWilliam M Maas (1 patent)Charles E PackardRobert J Seims (1 patent)Charles E PackardCharles E Packard (1 patent)William M MaasWilliam M Maas (1 patent)Robert J SeimsRobert J Seims (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Art's-way Manufacturing Co., Inc. (1 from 6 patents)


1 patent:

1. 4183472 - Combination hay-grain feeder device

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as of
12/19/2025
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