Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
FM

Frederick Manufacturing

Rank (All Time): #86,587 of 106,127Top 85%
5 inventors
6 Patents All Time

Top Inventors at Frederick Manufacturing All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 John H. Francis 5
2 Roy E. VanDerLinden 2
3 N. Kevin Mannon 1
3 Paul T. Voss 1
3 Roy E. Van Derlinden 1