| 11152830 |
Isolated bolting connection for a generator |
David Earl Hulsey, Robert Gore |
2021-10-19 |
| 6546901 |
Two cycle internal combustion engine |
— |
2003-04-15 |
| 5069230 |
Smoke generating apparatus |
— |
1991-12-03 |
| 4748480 |
Controlled authentic document recognition equipment |
Paul F. Jacobs, Thomas A. Whatley, John D. Worden, Kenneth I. Gustafson |
1988-05-31 |
| 4738901 |
Method and apparatus for the prevention of unauthorized copying of documents |
Joel R. Finkel, Paul F. Jacobs, Kenneth I. Gustafson |
1988-04-19 |
| 4678322 |
Method and apparatus for the prevention of unauthorized copying of documents |
Joel R. Finkel, Paul F. Jacobs, Kenneth I. Gustafson |
1987-07-07 |
| 4580583 |
Smoke generating device |
— |
1986-04-08 |
| 4436100 |
Smoke generator |
— |
1984-03-13 |
| 4259970 |
Smoke generating and dispensing apparatus and method |
— |
1981-04-07 |
| 4222416 |
Apparatus for controllably dispensing a viscous resin and reactive hardener |
Sidney Heisler, Jay Riazanow |
1980-09-16 |