Growing community of inventors

Graettinger, IA, United States of America

Dale C Opheim

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 = 13

Dale C OpheimDale C Opheim (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. May-wes Manufacturing, Inc. (2 from 19 patents)

2. Other (1 from 832,880 patents)


3 patents:

1. 5458256 - Slide lid

2. D358563 - Slide lid for a planter

3. 5354236 - Method of converting corn picker/husker to reduce kernel loss and damage

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