Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770339 | Insulation package | John Smith, Frank A. McCampbell | 2004-08-03 |
| 6510945 | Tool free, easy-opening insulation package | Robert J. Allwein, Larry J. Weinstein, John A. Fry, Vern C. Plotts, William H. Olbert | 2003-01-28 |
| 6471061 | Unitized package for insulation products | Donald I. Stuart, Murray G. Line | 2002-10-29 |
| 6170369 | Portable batt cutter | Larry J. Weinstein, Robert J. Allwein, John A. Fry, Vern C. Plotts, William H. Olbert | 2001-01-09 |
| 6165305 | Pre-cut fibrous insulation for custom fitting wall cavities of different widths | Larry J. Weinstein, Robert J. Allwein, John A. Fry, Vern C. Plotts, William H. Olbert | 2000-12-26 |
| 6083594 | Pre-cut fibrous insulation for custom fitting wall cavities of different widths | Larry J. Weinstein, Robert J. Allwein, John A. Fry, Vern C. Plotts, William H. Olbert | 2000-07-04 |
| 5305963 | Method and apparatus for forming rolls from strips of compressible material | Emerson C. Harvey, III, Robert J. Allwein, Larry J. Weinstein | 1994-04-26 |