Inventor
HARTMAN WILLIAM H
US6 patents
⚠️ This page may combine multiple inventors who share the name “HARTMAN WILLIAM H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RES DERIVATIVES INC
3 patentsUS5296256AMar 22, 1994
Method and apparatus for painting highway markings
RES DERIVATIVES INC39 citations93
US5203923AApr 20, 1993
Apparatus for painting highway markings
RES DERIVATIVES INC91 citations93
US5294798AMar 15, 1994
Method and apparatus for painting highway markings
RES DERIVATIVES INC37 citations90