TD

The Youngstown Steel Door

Rank (1982): #1171 of 6,697Top 20%
6 inventors
5
Patents 1982

Top Inventors at The Youngstown Steel Door 1982

Showing 1–6 of 6 inventors

RankNamePatents
1 William E. Fritz 2
2 Charles W. Mayfield 1
2 Oliver J. Jenkins 1
2 Robert F. Seitz 1
2 Thorvald Madland 1
2 Thomas C. Soddy 1