WS

William R. Sumerau

TL The Singer Company Limited: 8 patents #21 of 510Top 5%
RP Ryobi Motor Products: 2 patents #23 of 65Top 40%
📍 Easley, SC: #34 of 310 inventorsTop 15%
🗺 South Carolina: #1,482 of 15,501 inventorsTop 10%
Overall (All Time): #528,576 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
4864683 Noise isolating motor mounting system for a canister vacuum cleaner Roy Herron 1989-09-12
4811452 Auxiliary attachment adaptor and vacuum cleaner for use therewith 1989-03-14
4763382 Vacuum cleaner hanging arrangement 1988-08-16
4757574 Light plate for vacuum cleaner 1988-07-19
4670937 Filter retention system for vacuum cleaners Henry C. Harbin 1987-06-09
4662026 Convertible vacuum cleaner handle Valerie Owens 1987-05-05
4516289 Handle construction for floor care appliance 1985-05-14
4514200 Filter bag for floor care appliance Gordon E. Laing 1985-04-30
4512057 Floor care appliance Gordon E. Laing, Martin E. Harbeck, John E. Jones, William K. Glenn, III 1985-04-23
4447930 Power head unit for carpet cleaning William K. Glenn, III, John E. Jones, Gordon E. Laing 1984-05-15