Inventor

ESPELAND JOHN D

US2 patents

⚠️ This page may combine multiple inventors who share the name “ESPELAND JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ECT INC

1 patent

US6034155AMar 7, 2000

Polymer concrete compositions, structures made therefrom and methods of manufacture

ECT INC89 citations92

ESPELAND COMPOSITE TECHNOLOGY

1 patent

US6048593AApr 11, 2000

Polymer concrete compositions, structures made therefrom, and methods of manufacture

ESPELAND COMPOSITE TECHNOLOGY50 citations86