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

St. Regis Paper

Rank (All Time): #33,182 of 106,127Top 35%
17 inventors
18 Patents All Time

Top Inventors at St. Regis Paper All Time

Showing 1–17 of 17 inventors

RankNamePatents
1 Irving R. Brenholdt 4
2 Fred B. Wilharm 3
3 Robert M. Fridhandler 2
#4 Donald O. Newton 1
#4 Donald E. Williams, III 1
#4 John Roberts 1
#4 John A. Taylor 1
#4 Keith H. Miller 1
#4 John Joseph Watkins 1
#4 Scott B. Weldon 1
#4 Stephen C. Keppel 1
#4 Winfried G. Timpe, deceased 1
#4 William J. Elford 1
#4 Premysl G. Chaloupka 1
#4 Ralph H. Kenan 1
#4 Jerry E. Flannigan 1
#4 Michael S. Steltenkamp 1