DH

Donald Espie Hay

HL Hayco Manufacturing Limited: 19 patents #2 of 23Top 9%
Overall (All Time): #225,818 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
D517758 Squeegee Christopher James Mccaughan Hay 2006-03-21
D501725 Cleaning implement 2005-02-15
6804852 Brush 2004-10-19
D482872 Cleaning implement 2003-12-02
D475202 Brush 2003-06-03
D473117 Handle for tool Christopher James Mccaughan Hay 2003-04-15
D473028 Squeegee Christopher James Mccaughan Hay 2003-04-08
D462179 Handle Cham Fung Lai, Wing S. Luk 2002-09-03
D461058 Brush 2002-08-06
D448973 Handle for barbecue utensils Christopher James Mccaughan Hay 2001-10-09
D448609 Handle for barbecue utensil Christopher James Mccaughan Hay 2001-10-02
6287037 Hand-held cleaning device 2001-09-11
D445257 Barbecue utensil 2001-07-24
6224283 Hand-held cleaning device 2001-05-01
D439055 Brush head 2001-03-20
D439052 Hand-held cleaning device 2001-03-20
D439053 Hand-held cleaning device 2001-03-20
D438013 Hand-held cleaning device 2001-02-27
D431960 Handle for barbecue utensils 2000-10-17
D431974 Barbecue utensil 2000-10-17