In Ripon, J's BBQ means something different to each person that walks through the door.For co-owners Jen Rintelmann and Susan Marshall, their restaurant is named after Susan's 19 year old son Jadon who suffered a stroke at birth, resulting in his development of cerebral palsy and epilepsy.Marshall says Jadon's perseverance is a driving factor in what fueled the creation of the business."The inspiration behind J's BBQ is not stopping, and not slo…