HL

Henry S. Landgraf

GI General Instrument: 2 patents #263 of 950Top 30%
GD General Instrument Corporation Of Delaware: 1 patents #19 of 67Top 30%
Motorola: 1 patents #6,475 of 12,470Top 55%
📍 Collingswood, NJ: #27 of 101 inventorsTop 30%
🗺 New Jersey: #19,416 of 69,400 inventorsTop 30%
Overall (All Time): #1,264,883 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6707917 Monaural and stereo audio signal control system Anthony Troiano, Dipakkumar R. Patel 2004-03-16
6154633 Method and apparatus for upgrading features and functions of a set top box in the field Vijay K. Pola 2000-11-28
5644637 Method and apparatus for recovering synchronizing signals in scrambled television pictures 1997-07-01
5287409 Method and apparatus for frustrating vertical interval detection in scrambled television signals Richard Westerfer 1994-02-15