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USPTO Patent Rankings Data through Sept 30, 2025
RG

Robert W. Guthrie — 32 Patents

Hoffmann-La Roche: 32 patents #83 of 3,238Top 3%
Saddle Brook, NJ: #1 of 90 inventorsTop 2%
New Jersey: #2,003 of 69,400 inventorsTop 3%
Overall (All Time): #114,200 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
4312885 Chlorocitric acids Richard W. Kierstead, Francis A. Mennona, Ann C. Sullivan 1982-01-26
4304721 Adrenergic blocking agents Kenneth E. Fahrenholtz, Richard W. Kierstead, Jefferson Wright Tilley 1981-12-08
4301300 Sulfonamide intermediates for adrenergic blocking agents Kenneth E. Fahrenholtz, Richard W. Kierstead, Jefferson Wright Tilley 1981-11-17
4285873 Adrenergic blocking agents Kenneth E. Fahrenholtz, Richard W. Kierstead, Jefferson Wright Tilley 1981-08-25
4278608 Adrenergic blocking agents Kenneth E. Fahrenholtz, Richard W. Kierstead 1981-07-14
4247710 Intermediate in the production of adrenergic blocking agents Kenneth E. Fahrenholtz, Richard W. Kierstead, Jefferson Wright Tilley 1981-01-27
4202978 (S)-1-[2- (4-(2-Hydroxy-s-(1-alkylaminopropoxy)phenylalkyl]-4-phenylpiperazines Kenneth E. Fahrenholtz, Richard W. Kierstead, Jefferson Wright Tilley 1980-05-13