Growing community of inventors

Chicago, IL, United States of America

Rex M Harper

Average Co-Inventor Count = 3.09

ph-index = 5

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 = 217

Rex M HarperJeffrey D Breslow (4 patents)Rex M HarperHoward J Morrison (3 patents)Rex M HarperRalph J Kulesza (1 patent)Rex M HarperDonald A Rosenwinkel (1 patent)Rex M HarperSteven P Hanson (1 patent)Rex M HarperGunars Licitis (1 patent)Rex M HarperDavid A Glickson (1 patent)Rex M HarperRex M Harper (5 patents)Jeffrey D BreslowJeffrey D Breslow (110 patents)Howard J MorrisonHoward J Morrison (98 patents)Ralph J KuleszaRalph J Kulesza (38 patents)Donald A RosenwinkelDonald A Rosenwinkel (34 patents)Steven P HansonSteven P Hanson (21 patents)Gunars LicitisGunars Licitis (10 patents)David A GlicksonDavid A Glickson (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Marvin Glass & Associates (5 from 422 patents)


5 patents:

1. 4363484 - Electronic table tennis game apparatus

2. 4359220 - Microcomputer controlled game

3. 4337948 - Game apparatus

4. 4325551 - Electronically controlled game apparatus with playing array positions

5. 4320901 - Microprocessor controlled game

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as of
12/16/2025
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