RM

Randolph A. McDonald

EC Elco Co.: 4 patents #1 of 31Top 4%
📍 Berea, OH: #27 of 128 inventorsTop 25%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,295,038 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5348670 Phosphorous amine lubricant additives Gerald D. Burt 1994-09-20
5194166 Phosphorous amine lubricant additives Gerald D. Burt 1993-03-16
5130036 Phosphorous amine lubricant additives Gerald D. Burt 1992-07-14
4965002 Phosphite amine lubricant additives William Brannen, Gerald D. Burt 1990-10-23