GH

George W. Hall

DI Dittler Brothers Incorporated: 1 patents #15 of 43Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Sioux City, IA: #10 of 187 inventorsTop 6%
🗺 Iowa: #1,945 of 15,303 inventorsTop 15%
Overall (All Time): #665,021 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6499948 Shroud and axial fan therefor Vasanthi Iyer, Richard Down 2002-12-31
6455119 Label structure James J. Carides, James T. Pittman, Benny R. Rich, Terry D. Futral 2002-09-24
5930847 Toilet screen 1999-08-03
D317042 Portable hot air heater 1991-05-21
4438896 Segmented collar tripod for holding surveyor's stake 1984-03-27
4356637 Device for holding a surveyor's range pole 1982-11-02
4339880 Device for holding surveyor's instrument 1982-07-20
4192076 Device for holding a surveyor's instrument 1980-03-11