RH

Richard J. Helferich

📍 Encinitas, CA: #9 of 138 inventorsTop 7%
🗺 California: #2,144 of 26,763 inventorsTop 9%
Overall (2002): #22,340 of 266,432Top 9%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6462646 Transmitting and receiving devices and methods for transmitting data to and receiving data from a communication system 2002-10-08
6459360 Networks, communication systems, transmitting and receiving devices and methods for transmitting, receiving, and erasing stored information 2002-10-01
RE37618 Analog/digital data storage system 2002-04-02