516 N.W.2d 762 UNIGARD INSURANCE COMPANY, Plaintiff-Appellant, v. INSURANCE COMPANY OF NORTH AMERICA, as insurer for Keystone Heating Air Conditioning Company, Lowell J. Katt, d/b/a Keystone Heating Air Conditioning Company, Master Plumbers Limited Mutual Liability Insurance Company, as insurer for Success Plumbing Company, Kenneth G. Heyman, d/b/a Success Plumbing Company, Northern Assurance Company of America, […]
