Inventor
BOCKWINKEL JOE L
US5 patents
Patents
5 patentsUS4499701AFeb 19, 1985
Rabbeted shingle butt joint sidewall panel and shingle component
SHAKERTOWN CORP21 citations78
US4459788AJul 17, 1984
Plywood-backed double course shingle panel
SHAKERTOWN CORP18 citations70
US4345630AAug 24, 1982
Method of making rabbeted shingle butt joint sidewall panel
SHAKERTOWN CORP7 citations70
US4292780AOct 6, 1981
Staggered butt sidewall shingle panel and method of making the same
SHAKERTOWN CORP4 citations60
US4201614AMay 6, 1980
Shake panel assembling machine
SHAKERTOWN CORP2 citations60