Growing community of inventors

Evansville, IN, United States of America

Douglas Sprick

Average Co-Inventor Count = 2.00

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 = 6

Douglas SprickChristopher B Clodfelter (2 patents)Douglas SprickDouglas Sprick (2 patents)Christopher B ClodfelterChristopher B Clodfelter (21 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rexam Medical Packaging Inc. (2 from 44 patents)


2 patents:

1. 6561369 - Neck finish for a container

2. 6386380 - Neck finish for a container and mold for forming the container

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1/2/2026
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