Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Gregory T. Schaeffer — 5 Patents

LSLitton Systems: 5 patents #83 of 838Top 10%
Williamsport, PA: #31 of 162 inventorsTop 20%
Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,055,556 of 4,157,543Top 30%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5537084 Method for improving spectrum quality of low power pulsed anode magnetrons 1996-07-16
5433640 Method for improving spectrum quality of low power pulsed anode magnetrons 1995-07-18
5422542 Low power pulsed anode magnetron for improving spectrum quality 1995-06-06
4975656 Enhanced secondary electron emitter John C. Cipolla, Guilford R. MacPhail 1990-12-04
4531104 Tunable magnetron of the coaxial-vacuum type 1985-07-23