Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599048 | Industrial suction apparatus | Colin O. Hart | 1986-07-08 |
| 4568633 | Photographic elements and processes utilizing imagewise reduction of ferric ions | Frank V. Lovecchio, James A. Reczek | 1986-02-04 |
| 4478776 | Method of making molten carbonate fuel cell ceramic matrix tape | Donald L. Maricle, Gary C. Putnam | 1984-10-23 |
| 4345671 | Apparatus and method for installing elevator guide rails | Larry P. Tosato, Henry A. Wehrli, III | 1982-08-24 |
| 4331178 | Curb box for plastic valve | Edward W. Handley | 1982-05-25 |
| 4310015 | Curb box with snap-on base | Richard C. Stewart | 1982-01-12 |
| 4285201 | Vapor powered engine assembly | — | 1981-08-25 |
| 4283770 | Signal processor for digital echo canceller | — | 1981-08-11 |
| 4282411 | Residual echo suppressor for echo canceller | — | 1981-08-04 |
| 4260318 | Installation apparatus for escalators | Robert F. Holritz | 1981-04-07 |