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

Speakercraft — 8 Patents

Rank (All Time): #67,048 of 106,120Top 65%
10 inventors
8 Patents All Time

Top Inventors at Speakercraft All Time

Showing 1–10 of 10 inventors

RankNamePatents
1 Edward Haase 3
1 Keith Marshall 3
3 Jeremy Burkhardt 2
3 Jeffrey W. King 2
3 Robert Pfiefer 2
3 William To 2
#7 Edward A. Mangler 1
#7 Ernest J. Leggett 1
#7 Jeffrey FRANCISCO 1
#7 Todd Stanchfield 1