DZ

Donald W. Zurwelle

BD Black & Decker: 55 patents #31 of 2,138Top 2%
📍 Timonium, MD: #3 of 440 inventorsTop 1%
🗺 Maryland: #169 of 35,612 inventorsTop 1%
Overall (All Time): #42,109 of 4,157,543Top 2%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
4954026 Screwdriver bit and chuck key retainer 1990-09-04
D304287 Electric drill or similar article 1989-10-31
4875879 Cord retainer for a portable electric tool Roderick F. Bunyea 1989-10-24
D301199 Trigger switch for a reversible electric drill or similar article 1989-05-23
D300501 Router 1989-04-04
D293027 Flashlight 1987-12-01
D290463 Base for a magnetic machine tool Keith A. Pelfrey 1987-06-23
D281818 Flashlight 1985-12-17