William J. Landherr Jr., 72, of Maple Glen, a company owner, died of cancer Thursday, June 10, at home.

Mr. Landherr founded Corro Therm Inc. in 1971. The Feasterville firm provides coating applications for machinery in the automotive, aerospace, and biomedical industries, among others. In 1997, he established Corro Therm Protective Coatings, a distributor of coating supplies.

Mr. Landherr graduated from Abington High School and earned a bachelor's degree in industrial engineering from Pennsylvania State University.

He served in the Navy aboard the aircraft carrier Franklin D. Roosevelt. After active duty, he remained in the Naval Reserve and was a member of the VR-52 Fleet Logistics Support Squadron at Willow Grove Naval Air Base. After 35 years in the military, he retired as a captain in the mid-1990s.

Mr. Landherr was Abington High School's alumni association president for 25 years and was inducted into the school's hall of fame. He was president of the alumni association of Delta Upsilon Fraternity for 35 years and received its Founders Medal. He was a longtime member of the St. Alphonsus men's morning Bible study group in Maple Glen.

He was a Phillies fan, a baseball card collector, and a talented gardener whose dahlias won awards from the Trevose Horticultural Society, his family said.

Mr. Landherr is survived by his wife of 23 years, Mary Schwartzel Landherr; a daughter, Lena Sheaffer; stepsons Harvey and Adam Scribner; stepdaughters Amy Patterson and Alicia Devitz; a sister; and nine grandchildren.

Friends may call from 5 to 9 p.m. Tuesday, June 15, at Ciavarelli Funeral Home, 951 E. Butler Pike, Ambler. A funeral will be held at 10 a.m. Wednesday, June 16, at Chestnut Hill Seventh-day Adventist Church, 8700 Germantown Ave., Philadelphia. Donations may be made to the church, where Mr. Landherr was a head elder, lay pastor, and choir member. Burial will be in Philadelphia Memorial Park, Malvern.

Contact staff writer Sally A. Downey at 215-854-2913 or sdowney@phillynews.com.