Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11980851 | Apparatus for controlled release of an erodible solid into a liquid | Kenneth Hungerford | 2024-05-14 |
| 11623186 | Apparatus for controlled release of an erodible solid into a liquid | Kenneth Hungerford | 2023-04-11 |
| 10965343 | Signal analyzer and method for analyzing signals | — | 2021-03-30 |
| 6302429 | Convertible wheelchair | — | 2001-10-16 |
| 6270105 | Method of wheelchair construction | — | 2001-08-07 |
| 6227752 | Failsafe weld-free method of joining tubular elements | — | 2001-05-08 |
| 5467164 | Document processing system having a straight line document path | Thomas R. Wells, Leo DaPrato, Kenneth L. Hendrickson, Merv LaRue, John W. Overman +8 more | 1995-11-14 |
| 5253888 | Rigid frame weldless wheelchair | — | 1993-10-19 |
| D322949 | Wheelchair frame | — | 1992-01-07 |
| D306712 | Wheelchair frame | — | 1990-03-20 |
| 4768797 | Folding wheelchair having adjustable wheels and armrests | — | 1988-09-06 |
| 4699504 | Control system for microimage recorders | Harold L. Kabb, John R. Flint, Gary B. Videlock, Ishfaq A. Niazi, Kenneth L. Hendrickson +3 more | 1987-10-13 |
| 4626099 | Film duplication system for microimage recorders | Robert D. Zuelke, David G. Stites | 1986-12-02 |
| 4577505 | Special angle beam probe for ultrasonic testing | Hans-Achim Jestrich | 1986-03-25 |
| 4489980 | Adjustable arm rest trigger handle | — | 1984-12-25 |