DT

David V. Trumbauer

JD John Deere: 6 patents #791 of 5,518Top 15%
📍 Denver, IA: #3 of 28 inventorsTop 15%
🗺 Iowa: #2,628 of 15,303 inventorsTop 20%
Overall (All Time): #894,619 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4844141 Core defining apparatus and method Alan E. Seeley 1989-07-04
4779316 Crankshaft and a process for balancing the same Jack D. Cherry, Steven L. Hastings 1988-10-25
4736786 Method for improving stength of gasifiable patterns Larry L. Fosbinder, Terry L. Erion 1988-04-12
4691754 Method for forming castings having inserts Larry L. Fosbinder, Terry L. Erion 1987-09-08
4462453 Casting methods with composite molded core assembly 1984-07-31
RE31488 Casting methods with composite molded core assembly 1984-01-10