Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JM

John Masterton — 2 Patents

SPStc Plc: 2 patents #35 of 231Top 20%
Bishop's Stortford, GB: #43 of 83 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John Masterton has been granted 2 US patents while listed as an inventor at Stc Plc. The first was granted in 1987 and the most recent in March 1988. John Masterton ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Masterton in Bishop's Stortford, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4731796 Multi-mode radio transceiver Peter A. Ramsdale 1988-03-15
4716579 Phase corrector 1987-12-29