US Patent
Patent No. US 04034480
Published on Jul 12, 1977
Application No. 5/600633
Filed on Jul 31, 1975
Priority Date -
Inventor/Applicants
Mehrtens, William R. - Yonkers, NY
Classification
National:5
332/64
332/86;
332/77;
350/12N;
332/27;
Field of Search 11
116/124.R
116/124.C;
116/28R;
35/12N;
35/12S;
33/227;
33/263;
33/264;
33/276;
33/277;
33/286;