Roman Ostapiak — 2 Patents at AT&T

Roman Ostapiak — 2 Patents

ALAmerican Telephone And Telegraph Company, At&T Bell Laboratories: 1 patents #330 of 1,086Top 35%

ATAT&T: 1 patents #10,636 of 18,772Top 60%

Pine Brook, NJ: #33 of 64 inventorsTop 55%

New Jersey: #30,063 of 69,400 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

Roman Ostapiak has been granted 2 US patents while listed as an inventor at AT&T. The first was granted in 1989 and the most recent in April 1998. Roman Ostapiak ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Roman Ostapiak in Pine Brook, NJ, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5739999	Current limiting circuit	Patricia Lynn Gruber, David S. Kerr	1998-04-14	$22,452,000
4814962	Zero voltage switching half bridge resonant converter	Frank M. Magalhaes, Ralph Walk, Norman Gerard Ziesse	1989-03-21

Roman Ostapiak — 2 Patents

Issued Patents All Time

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