Here is a reference for my first post:
[ url needs to be updated ]
The Ouija board still appears to answer the question, but with more information available now, I don't find any of the people involved in creating the Ouija board described as a Methodist minister.
Detailed History of William Fuld and the Ouija Board:
After (William) Fuld's death, his children ran the company until 1966, when they sold the business to Parker Brothers. Parker Brothers moved the manufacturing of Ouija boards to Salem, Massachusetts. In the first year of production in Salem, Ouija boards outsold Monopoly. Over two million boards were shipped.