Inventor

WINCHESTER JOHN O

US2 patents

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

(unassigned)

1 patent

US6035591AMar 14, 2000

Method and apparatus for providing concrete products having improved surface and structural characteristics

16 citations86

QUIKRETE COMPANIES

1 patent

US5918429AJul 6, 1999

Method and apparatus for providing concrete products having improved surface and structural characteristics

QUIKRETE COMPANIES11 citations65