Patents & Certifications
Patents & Certifications
Registered Patents 5
Registered patents for expansion joints and pedestrian bridges
Expansion joint with improved waterproofing
No. 10-2375750
Method of connecting expansion joints at bridge curbs
No. 10-2401961
Reinforced widened pedestrian bridge
No. 10-2503300
Vibration- and noise-reducing expansion joint
No. 10-2622949
Expansion joint with adjustable anchor angle
No. 10-2671452
Official Certifications 7
Business qualifications and direct production certificates
Start-up Business Certificate
Disabled-Owned Business Certificate
SME Certificate
G-PASS Company Designation
Direct Production Certificate (Wood Decking)
Direct Production Certificate (Bridge Expansion Joints)
Documents shown are public copies with addresses masked. Please contact us if you need to verify the originals.
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