Growing community of inventors

Long Lake, MN, United States of America

Donald D Petersen

Average Co-Inventor Count = 7.00

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 = 80

Donald D PetersenKevin L Bright (1 patent)Donald D PetersenAllen Dale Almendinger (1 patent)Donald D PetersenKenneth J Hendren (1 patent)Donald D PetersenMichael B Dandrea (1 patent)Donald D PetersenFrederick W Webb, Jr (1 patent)Donald D PetersenWesley R Carlson (1 patent)Donald D PetersenDonald D Petersen (1 patent)Kevin L BrightKevin L Bright (7 patents)Allen Dale AlmendingerAllen Dale Almendinger (6 patents)Kenneth J HendrenKenneth J Hendren (1 patent)Michael B DandreaMichael B Dandrea (1 patent)Frederick W Webb, JrFrederick W Webb, Jr (1 patent)Wesley R CarlsonWesley R Carlson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Time Management Corporation (1 from 1 patent)


1 patent:

1. 4819162 - Time clock system including scheduling payroll and productivity analysis

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as of
12/27/2025
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