Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10577239 | Refillable material transfer system | Eric Williams, Lawrence M. Levenstein | 2020-03-03 |
| 10221059 | Refillable material transfer system | Eric Williams, Lawrence M. Levenstein | 2019-03-05 |
| 9624023 | Integrated material transfer and dispensing system | Eric Williams, Lawrence M. Levenstein | 2017-04-18 |
| 9555954 | Aerosol refill cartridge | Lawrence M. Levenstein, Eric Williams | 2017-01-31 |
| 9533778 | Aseptic distribution system method using refillable containers | Lawrence M. Levenstein, Eric Williams, Freeman Gosden | 2017-01-03 |
| 9422102 | Aerosol refill cartridge | Lawrence M. Levenstein, Eric Williams | 2016-08-23 |
| 8684238 | Aerosol refill cartridge | Lawrence M. Levenstein, Eric Williams | 2014-04-01 |
| 8640918 | Refillable material transfer system | Eric Williams | 2014-02-04 |
| 8534499 | Integrated material transfer and dispensing system | Eric Williams, Lawrence M. Levenstein | 2013-09-17 |
| 8413856 | Portable constant-pressure refillable material transfer system | Eric Williams, Michael P. Nicholls | 2013-04-09 |
| 7997445 | Refillable material transfer system | Eric Williams | 2011-08-16 |
| 7762434 | Refillable material transfer system | Eric Williams | 2010-07-27 |