SM

Stephen M. Martin

DC Donaldson Company: 4 patents #253 of 695Top 40%
CI Ciba-Geigy: 3 patents #802 of 2,867Top 30%
CV Ciba Vision: 3 patents #22 of 94Top 25%
📍 White Bear Lake, MN: #76 of 561 inventorsTop 15%
🗺 Minnesota: #7,542 of 52,454 inventorsTop 15%
Overall (All Time): #492,775 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12145093 Filter cartridges; air cleaner assemblies; housings; features; components; and, methods Steven A. Carter, Gert Proost 2024-11-19
11772026 Filter cartridges; air cleaner assemblies; housings; features; components; and, methods Steven A. Carter, Gert Proost 2023-10-03
11123672 Filter cartridges; air cleaner assemblies; housings; features; components; and, methods Steven A. Carter, Gert Proost 2021-09-21
10315147 Filter cartridges; air cleaner assemblies; housings; features; components; and, methods Steven A. Carter, Gert Proost 2019-06-11
5863562 Methods and composition for preserving media in the tip of a solution dispenser Fu-Pao Tsao, Harold Shlevin, Thomas E. Rowe 1999-01-26
5807585 Method of preserving ophthalmic solution and compositions therefor Fu-Pao Tsao 1998-09-15
5725887 Method of preserving ophthalmic solutions and compositions therefor Fu-Pao Tsao 1998-03-10
5611464 Container for preserving media in the tip of a solution dispenser Fu-Pao Tsao, Harold Shlevin, Thomas E. Rowe 1997-03-18
5607698 Method of preserving ophthalmic solution and compositions therefor Fu-Pao Tsao 1997-03-04
5576028 Method of preserving ophthalmic solutions and compositions therefor Fu-Pao Tsao 1996-11-19