DR. MARK ERNEST SCHUMACHER, DC Chiropractic at Payne Ave, Saint Paul, MN
License number
Minnesota 1606
Category
Chiropractic
Type
Chiropractor
Address
Address
1201 Payne Ave, Saint Paul, MN 55101
Phone
(651) 776-8666 (651) 776-4180 (Fax)
Professional information
Dr. Mark E Schumacher, Saint Paul MN - DC (Doctor of Chiropractic)
Specialties:
Chiropractic
Address:
1201 Payne Ave, Saint Paul 55130 (651) 776-8666 (Phone), (651) 776-4180 (Fax)
Languages:
English
Interlocked Plastic-Encased Concrete Pipe
US Patent:
5573040, Nov 12, 1996
Filed:
Feb 20, 1996
Appl. No.:
8/603205
Inventors:
Mark W. Schumacher - Eagan MN Raymond L. Sterling - Minneapolis MN
Assignee:
Pipeform LLC - Mendota Heights MN
International Classification:
F16L 914
US Classification:
138147
Abstract:
A composite concrete pipe in which both the inner and outer surfaces are plastic. The pipe may be formed of any diameter by forming the inner and outer plastic surfaces from helically wrapped interlocking plastic strips to form the diameters desired.