DC

Douglas M. Clifford

HP HP: 3 patents #1,644 of 7,018Top 25%
📍 Loveland, CO: #332 of 931 inventorsTop 40%
🗺 Colorado: #13,156 of 40,980 inventorsTop 35%
Overall (All Time): #1,677,113 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4566072 Programmable calculator including means for digitizing the position of an X-Y plotter pen Alan C. Mortensen, Bradley W. Miller, Franklin Timothy Hickenlooper, David C. Uhlrich, Marl D. Godfrey +3 more 1986-01-21
4330839 Programmable calculator including means for automatically processing imformation stored on a magnetic record member Bradley W. Miller, Franklin Timothy Hickenlooper, David C. Uhlrich, Marl D. Godfrey, Rex L. James +3 more 1982-05-18
4181966 Adaptable programmed calculator including a percent keyboard operator Freddie W. Wenninger, Donald E. Morris, Jindrich Kohoutek, David S. Maitland, Louis T. Schulte +1 more 1980-01-01