Growing community of inventors

Crawfordsville, IN, United States of America

John Erspamer

Average Co-Inventor Count = 4.00

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 = 33

John Erspamer ↔ Lawrence M Smeyak (2 patents)John Erspamer ↔ Dave Gevers (2 patents)John Erspamer ↔ Steve McBride (2 patents)John Erspamer ↔ Larry Smeyak (1 patent)John Erspamer ↔ Steve Mcbride (0 patent)John ErspamerJohn Erspamer (2 patents)Lawrence M SmeyakLawrence M Smeyak (9 patents)Dave GeversDave Gevers (3 patents)Steve McBrideSteve McBride (2 patents)Larry SmeyakLarry Smeyak (1 patent)Steve McbrideSteve Mcbride (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Closure Systems International Inc. (2 from 79 patents)


2 patents:

1. RE47156 - Tamper-evident bottle and closure having vents

2. 8807360 - Tamper-evident bottle and closure having vents

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idiyas.com
as of
12/20/2025
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