Growing community of inventors

Minneapolis, MN, United States of America

Frederick B Keen

Average Co-Inventor Count = 3.00

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 = 66

Frederick B KeenWarren V Bigelow (4 patents)Frederick B KeenJoseph J Kraska (4 patents)Frederick B KeenFrederick B Keen (4 patents)Warren V BigelowWarren V Bigelow (11 patents)Joseph J KraskaJoseph J Kraska (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

4 patents:

1. D549346 - Disposable surgical arm board protector

2. D548571 - Oxygen supply bracket for a hospital transport cart

3. D456517 - Anesthesia infection control barrier sheet with pockets

4. D454747 - Disposable plastic sheet anesthesia infection control barrier

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idiyas.com
as of
1/14/2026
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