Growing community of inventors

Bartlett, IL, United States of America

Calvin L Bryant

Average Co-Inventor Count = 4.00

ph-index = 4

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 = 876

Calvin L BryantStephen B Kaufman (4 patents)Calvin L BryantMichael A Lesczynski (4 patents)Calvin L BryantShelly Hyland (4 patents)Calvin L BryantCalvin L Bryant (4 patents)Stephen B KaufmanStephen B Kaufman (19 patents)Michael A LesczynskiMichael A Lesczynski (10 patents)Shelly HylandShelly Hyland (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Healthtech Services Corp. (3 from 15 patents)

2. Healthtech Service Corporation (1 from 1 patent)


4 patents:

1. 5868135 - Interactive patient assistance device for storing and dispensing a

2. 5442728 - Interactive patient assistance device for storing and dispensing a

3. 5142484 - An interactive patient assistance device for storing and dispensing

4. 4933873 - Interactive patient assistance device

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as of
12/19/2025
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