RM

Robert J. Marcinkewicz

BW Bradford White: 4 patents #8 of 42Top 20%
📍 Plainwell, MI: #31 of 109 inventorsTop 30%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,299,566 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5023031 Method of making a foam insulated water heater Eugene L. West 1991-06-11
5000893 Method of making a foam insulated water heater Eugene L. West 1991-03-19
4904428 Method of making a foam insulated water heater Eugene L. West 1990-02-27
4808356 Method for insulating a water heater Eugene L. West 1989-02-28