WJ

William D. Ryckman, Jr.

BD Black & Decker: 5 patents #577 of 2,138Top 30%
GE: 3 patents #10,354 of 36,430Top 30%
📍 Asheboro, NC: #11 of 129 inventorsTop 9%
🗺 North Carolina: #6,564 of 45,564 inventorsTop 15%
Overall (All Time): #670,811 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4912805 Dual-purpose rotating brush for vacuum cleaner Charles Z. Krasznai, Michael E. Bitzel 1990-04-03
4881457 Low-headroom popcorn popper Thomas M. Lyga 1989-11-21
4745260 Automatic switching apparatus for an electric appliance Harry Albinger, Jr., Thomas M. O'Loughlin, Charles A. Balchunas 1988-05-17
4684788 Electric toaster oven control Walter H. Gordon 1987-08-04
4538049 Toaster oven 1985-08-27
4441015 Cooking apparatus employing a rotisserie mode with stationary food Charles W. Eichelberger, Robert J. Wojnarowski 1984-04-03
4433741 Strain gage scale 1984-02-28
4283701 Overshoot compensated thermostat 1981-08-11