Growing community of inventors

Elgin, IL, United States of America

Robert Craig Spann

Average Co-Inventor Count = 3.00

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 = 28

Robert Craig SpannStephen Lee Spear (1 patent)Robert Craig SpannDennis W Gilliland (1 patent)Robert Craig SpannRobert Craig Spann (1 patent)Stephen Lee SpearStephen Lee Spear (39 patents)Dennis W GillilandDennis W Gilliland (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Motorola Corporation (1 from 20,290 patents)


1 patent:

1. 6134443 - Method and apparatus of directing radio frequency communication in a

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