Growing community of inventors

Apple Valley, MN, United States of America

Michael J Kieffer

Average Co-Inventor Count = 8.58

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 = 30

Michael J KiefferJames E Fergen (9 patents)Michael J KiefferKathleen M McLeod (9 patents)Michael J KiefferMitchell B Grunes (8 patents)Michael J KiefferJohn E Nelson (8 patents)Michael J KiefferJoseph E Schwietz, Jr (8 patents)Michael J KiefferGerald G Marsolek (8 patents)Michael J KiefferThomas J Brace (5 patents)Michael J KiefferJohn D Yorkovich (5 patents)Michael J KiefferGerald L Karel (4 patents)Michael J KiefferRoger D Larson (4 patents)Michael J KiefferRichard M Willems (4 patents)Michael J KiefferRonald C Wurz (3 patents)Michael J KiefferPeter J Zarembo (1 patent)Michael J KiefferMichael J Kieffer (9 patents)James E FergenJames E Fergen (10 patents)Kathleen M McLeodKathleen M McLeod (9 patents)Mitchell B GrunesMitchell B Grunes (35 patents)John E NelsonJohn E Nelson (12 patents)Joseph E Schwietz, JrJoseph E Schwietz, Jr (8 patents)Gerald G MarsolekGerald G Marsolek (8 patents)Thomas J BraceThomas J Brace (30 patents)John D YorkovichJohn D Yorkovich (18 patents)Gerald L KarelGerald L Karel (21 patents)Roger D LarsonRoger D Larson (4 patents)Richard M WillemsRichard M Willems (4 patents)Ronald C WurzRonald C Wurz (3 patents)Peter J ZaremboPeter J Zarembo (25 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. 3m Innovative Properties Company (6 from 14,059 patents)

2. Minnesota Mining and Manufacturing Company (3 from 7,865 patents)


9 patents:

1. 8322614 - System for processing financial transactions in a self-service library terminal

2. 8002182 - System for processing financial transactions in a self-service library terminal

3. 6857568 - Terminal for libraries and the like

4. 6750777 - Terminal for libraries and the like

5. 6549141 - Terminal for libraries and the like

6. 6542070 - Terminal for libraries and the like

7. 6464138 - Terminal for libraries and the like

8. 6369709 - Terminal for libraries and the like

9. 6057763 - Method and apparatus for activating and deactivating electromagnetic

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idiyas.com
as of
12/6/2025
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