TS

Thomas R. Steinhagen

CM Cobbs Manufacturing: 36 patents #1 of 22Top 5%
📍 West Des Moines, IA: #4 of 276 inventorsTop 2%
🗺 Iowa: #185 of 15,303 inventorsTop 2%
Overall (All Time): #87,240 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
D400087 Bag holder Jerome Hartmann 1998-10-27
D397866 Magnetic key safe Jerome Hartmann 1998-09-08
D395131 Coin holder 1998-06-09
D393805 Clock/thermometer combo Charles A. Haas, John Spencer Schenken 1998-04-28
D392235 Lighted visor mirror John E. Schenken, Charles A. Haas, Jerome Hartmann 1998-03-17
D390147 Deer warning Jerome Hartmann, Charles A. Haas, John E. Shenken 1998-02-03
D389745 Combined clock and compass Charles A. Haas, John E. Schenken 1998-01-27
D389069 Combined clock, compass and thermometer John E. Schenken, Charles A. Haas 1998-01-13
D388953 Expandable key safe Jerome J. Hartman, Charles A. Haas, John E. Schenken 1998-01-13
D386092 Jumbo clock Charles A. Haas, John E. Schenken 1997-11-11
D385204 Thermometer Charles A. Haas, John E. Schenken 1997-10-21
D384290 Flip lid alarm clock Charles A. Haas, John E. Schenken 1997-09-30
D383983 Spot clock Charles A. Haas, John E. Schenken 1997-09-23