Leo Merzweiler, founder of Summit Plastic Co. and co-founder of Landmark Plastic Corp., died March 14 in Naples. He was 85.
Merzweiler was born in Akron, Ohio. After serving in World War II, he graduated from Miami University in 1949.
His career was devoted to the plastic and horticulture industry. He founded Summit in 1954, later merging it with Vaughn-Jacklin Corp. He developed vinyl film applications for greenhouses including sterilization covers, shade cloth, mulch and structural covers.
In 1984 he co-founded Landmark Plastic with his son, Bob. They helped to develop thermoformed products including water collectors and watering trays, plant packaging and plug trays.
Leo Merzweiler had been retired for nearly 20 years. Funeral services were held March 20.