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Shelburne, VT, United States of America

Irwin Wallman

Average Co-Inventor Count = 1.00

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 = 44

Irwin WallmanIrwin Wallman (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Simmonds Precision Products, Inc. (2 from 390 patents)

2. Other (1 from 832,891 patents)

3. Cap Snap Co. (1 from 16 patents)


4 patents:

1. 5036991 - Tamper evident-cap for containers

2. 4903849 - Tamper evident cap and bottle

3. 4289028 - Fuel quantity gauge

4. 4281542 - Shielding system for capacitance type fuel quantity gauge

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as of
12/31/2025
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