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

Spears Manufacturing — 2 Patents in 2021

Rank (2021): #13,835 of 31,506Top 45%
4 inventors
2 Patents 2021

Top Inventors at Spears Manufacturing 2021

Showing 1–4 of 4 inventors

RankNamePatents
1 Wayne Spears 2
2 David Glover 1
2 Douglas Swingley 1
2 Robert Wayne Spears, II 1