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USPTO Patent Rankings Data through Dec 31, 2025
MS

Mark Schaefer — 4 Patents

ATAT&T: 2 patents #7,295 of 18,772Top 40%
General Motors: 2 patents #6,303 of 18,328Top 35%
Salem, NH: #74 of 325 inventorsTop 25%
New Hampshire: #3,425 of 12,181 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Mark Schaefer has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 1991 and the most recent in September 2017. Mark Schaefer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark Schaefer in Salem, NH, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9768956 Methods and systems for facilitating communications between vehicles and service providers 2017-09-19 $11,992,000
7506309 Method for managing vehicle software configuration updates 2009-03-17 $4,798,000
5809049 Method and apparatus for monitoring the RF drive circuit of a linear laser transmitter David B. Winick 1998-09-15 $28,902,000
5020049 Optical sub-carrier multiplex television transmission system using a linear laser diode George E. Bodeep, Thomas E. Darcie, Edward J. Flynn, Jan Lipson, Carl McGrath +2 more 1991-05-28