HS

Harold Seidel

BL Bell Telephone Laboratories: 7 patents #27 of 1,445Top 2%
AT AT&T: 2 patents #7,280 of 18,772Top 40%
📍 Hackettstown, NJ: #93 of 793 inventorsTop 15%
🗺 New Jersey: #8,044 of 69,400 inventorsTop 15%
Overall (All Time): #475,004 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
4903181 Power converter having parallel power switching systems coupled by an impedance inversion network 1990-02-20
4704671 Switching type voltage regulator with noncontinuous feedback 1987-11-03
4605999 Self-oscillating high frequency power converter Wayne C. Bowman, Randhir S. Malik, Weyman B. Suiter, Jr., Norman Gerard Ziesse 1986-08-12
4486740 DC Cancellation in ternary-coded data systems 1984-12-04
4395599 Driving point impedance derived from a transfer impedance 1983-07-26
4386242 Impedance matching using active couplers 1983-05-31
4383316 Apparatus for and method of collating partitioned time disordered synchronous data streams 1983-05-10
4278947 Precision frequency source using integrated circuit elements Edward H. Nicollian, George E. Smith, III 1981-07-14
4273963 Automatic equalization for digital transmission systems 1981-06-16
4218776 Parametric optical detector 1980-08-19
4181824 Balancing impedance circuit 1980-01-01