RP

R. David Prengaman

RT Rsr Technologies: 9 patents #2 of 11Top 20%
RL Rsr Limited: 1 patents #9 of 19Top 50%
📍 Dallas, TX: #771 of 7,543 inventorsTop 15%
🗺 Texas: #15,190 of 125,132 inventorsTop 15%
Overall (All Time): #483,371 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12334556 Lead-based alloy and related processes and products Timothy W. Ellis, Matthew T. Raiford 2025-06-17
11962008 Lead-based alloy and related processes and products Timothy W. Ellis, Matthew T. Raiford 2024-04-16
11522190 Lead-based alloy and related processes and products Timothy W. Ellis, Matthew T. Raiford 2022-12-06
10950859 Lead-based alloy and related processes and products Timothy W. Ellis, Matthew T. Raiford 2021-03-16
10511022 Lead-based alloy and related processes and products Timothy W. Ellis, Matthew T. Raiford 2019-12-17
6664003 Method for enhancing lead oxidation during production of lead acid batteries Andreas Siegmund 2003-12-16
6649306 Alloy for thin positive grid for lead acid batteries and method for manufacture of grid 2003-11-18
6224723 Electrowinning anodes which rapidly produce a protective oxide coating Clifford E. Morgan 2001-05-01
6177056 Process for recycling lead-acid batteries Clifford E. Morgan, Homer P. Hine, Gerald M. Griffin, Jr. 2001-01-23
6131798 Electrowinning anode 2000-10-17