P

Inventor

BARTLEY JOHN C

US4 patents
⚠️ This page may combine multiple inventors who share the name “BARTLEY JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OHIO GRATINGS INC

3 patents
US7393153B2Jul 1, 2008

Grating system

OHIO GRATINGS INC16 citations88
US7121759B2Oct 17, 2006

Grating system

OHIO GRATINGS INC23 citations88
US9822494B1Nov 21, 2017

Decorative grating and method of manufacturing the same

OHIO GRATINGS INC4 citations64

BARTLEY JOHN C

1 patent
US8122674B2Feb 28, 2012

Grating system forvehicular and pedestrian traffic

BARTLEY JOHN C15 citations77