Inventor

ROWLAND WILLIAM P

US20 patents

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

ROWLAND WILLIAM P

REFLEXITE CORP

Method of casting a microstructure sheet having an array of prism elements using a reusable polycarbonate mold

Optical structures

Luminaire system

Colored retroreflective sheeting and method of making same

Differentially-cured materials and process for forming same

Retroreflective structure

Miniature micro prism retroreflector

Retroreflective structure

Retroreflective microprism sheeting with silver/copper reflecting coating and method of making same

Encapsulated retroreflective material and method of making same

Apparatus for compression molding of retroreflective sheeting

Wide angle retroreflector assembly and method of making same

Retroreflective sheet material with controlled stretch and method of making same

Retroreflective structure

Retroreflective structure

Retroreflective structure

Light signaling device

Retroreflector for road surfaces

RELFEXITE CORP

Method for compression molding of retroreflective sheeting and sheeting produced thereby

ROWLAND DEV CORP

Retroreflective sheeting and method and apparatus for producing same