DH

Dale J. Hlavin

MA Markers: 5 patents #1 of 2Top 50%
📍 Westlake, OH: #93 of 434 inventorsTop 25%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #987,364 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D826333 Portable sign 2018-08-21
7100529 Decorative display flag for rotatable attachment to movable poles for residential and commercial uses 2006-09-05
7062873 Golf marking flag for attachment to moveable poles for marking hole location in golf course greens 2006-06-20
6149135 Portable pole systems for supporting fencing, game nets, rope line dividers, and for landscaping uses, and the like 2000-11-21
5186119 Modular marking system for athletic fields 1993-02-16