Growing community of inventors

Bloomington, MN, United States of America

Roman A Kramer

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 = 65

Roman A KramerGeorge E Hand (3 patents)Roman A KramerJeffrey T Burns (1 patent)Roman A KramerRoman A Kramer (4 patents)George E HandGeorge E Hand (3 patents)Jeffrey T BurnsJeffrey T Burns (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Interplastic Corporation (3 from 7 patents)

2. Rfg Outdoors (1 from 1 patent)


4 patents:

1. D349784 - Combined wood duck box and nest bowl

2. 4716824 - Food marinator

3. 4683097 - Process of making a dunnage rack

4. 4635563 - Adjustable shelving system

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as of
12/20/2025
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