Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243477 | Apparatus for threading magnetic tape from a single reel cartridge in a rotary head tape transport | Frederic F. Grant | 1993-09-07 |
| 5184258 | Helical scan magnetic tape recorder with capstan assisted vacuum threading | Frederic F. Grant, Alexander R. Maxey, Robert Ryerson | 1993-02-02 |
| 4991038 | Automatic threading of a web using a flexible threading band | Frederic F. Grant | 1991-02-05 |
| 4365897 | Separable blade agitator with clip-on impellers | Franklyn J. Amorese | 1982-12-28 |
| 4361334 | Compression sealed composite seal seat with cooling passages | Franklyn J. Amorese, James W. Chapman | 1982-11-30 |
| D262791 | Glass coated impeller | Franklyn J. Amorse, Erwin J. Nunlist | 1982-01-26 |
| 4279356 | Quick opening manhole cover assembly | Franklyn J. Amorese | 1981-07-21 |
| 4264215 | Separable blade impeller | Erwin J. Nunlist, Franklyn J. Amorse | 1981-04-28 |