RJ

Ralph J. McDermott, Jr.

MB Mathews Brothers: 4 patents #1 of 5Top 20%
📍 Lincolnville, ME: #1 of 3 inventorsTop 35%
🗺 Maine: #23 of 429 inventorsTop 6%
Overall (2021): #41,930 of 548,734Top 8%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D907810 Vertical slider bottom rail Kyle S. Hawthorne, John C. Magri, Jr., William M. Gray, Ryan H. Hamden 2021-01-12
D907250 Casement single vent main frame Kyle S. Hawthorne, John C. Magri, Jr., William M. Gray, Ryan H. Hamden 2021-01-05
D907251 Casement single vent main sash Kyle S. Hawthorne, John C. Magri, Jr., William M. Gray, Ryan H. Hamden 2021-01-05
D907252 Fixed main frame Kyle S. Hawthorne, John C. Magri, Jr., William M. Gray, Ryan H. Hamden 2021-01-05