MH

Melvin C. Hendrickson

ZR Zenith Radio: 5 patents #10 of 184Top 6%
ZE Zenith Electronics: 4 patents #84 of 411Top 25%
📍 Elmhurst, IL: #71 of 619 inventorsTop 15%
🗺 Illinois: #10,078 of 84,256 inventorsTop 15%
Overall (All Time): #593,037 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4759061 Technique for toggling coding mode in a television signal encoder Richard W. Citta, Dennis M. Mutzabaugh 1988-07-19
4598313 Television signal scrambling system 1986-07-01
4558360 Decoder lockout defeat circuit Robert L. Sproston, Jr. 1985-12-10
4460922 Memory select system for an STV decoder James W. Ensinger 1984-07-17
4425647 IR Remote control system Johnny Collins 1984-01-10
4408225 Subscription television decoder James W. Ensinger 1983-10-04
4377006 IR Remote control system Johnny Collins 1983-03-15
4317228 Television receiver having multiplexed phase lock loop tuning system 1982-02-23
4292650 Stv Subscriber address system 1981-09-29