Growing community of inventors

Salt Lake City, UT, United States of America

Elvin L Boyce

Average Co-Inventor Count = 1.14

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 = 242

Elvin L BoyceWilliam Keith Robinson (1 patent)Elvin L BoyceElvin L Boyce (4 patents)William Keith RobinsonWilliam Keith Robinson (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Professional Tape Converters, Inc. (2 from 2 patents)

2. Other (1 from 832,843 patents)

3. Tapelicator, Inc. (1 from 6 patents)


4 patents:

1. 4797956 - Eye shield

2. 4688566 - Filter mask

3. 4269315 - Method and apparatus for packaging sterile surgical masks

4. 3985132 - Filter mask

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as of
12/27/2025
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