 |
| C. Bob Adorjan: Chairman of the Board and Inventor of UltraSeal |
|
|
|
PREDCO
Plumbing Research Engineering & Development Company
Michigan
Established 1974
phone: 231.867.2300 toll free 800.323.6188
fax: 231.867.2302 toll free 800.323.6189
email: predco@plumb-bob.com
|
|