Growing community of inventors

Saint Paul, MN, United States of America

Karen E Staff

Average Co-Inventor Count = 4.00

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 = 71

Karen E StaffChristopher J Evoniuk (1 patent)Karen E StaffLarry R Boughten (1 patent)Karen E StaffJames M Scott (1 patent)Karen E StaffKaren E Staff (1 patent)Christopher J EvoniukChristopher J Evoniuk (8 patents)Larry R BoughtenLarry R Boughten (4 patents)James M ScottJames M Scott (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,966 patents)


1 patent:

1. 5014407 - Tube expanding device

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as of
1/15/2026
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